Dark Moon is a science fiction novel by American author Charles W. Diffin.

Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures.

Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Dark Moon was first published in Astounding Stories in May 1931.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Dark Moon is a science fiction novel by American author Charles W. Diffin.

Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures.

Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Dark Moon was first published in Astounding Stories in May 1931.

Total Running Time (TRT): 3 hours, 25 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Brood of the Dark Moon is a science fiction novel by American author Charles W. Diffin.

Once more Chet, Walt and Diane are united in a wild ride to the Dark Moon—but this time they go as prisoners of their deadly enemy Schwartzmann.

Brood of the Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Brood of the Dark Moon was first published in Astounding Stories August to November 1931. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Brood of the Dark Moon is a science fiction novel by American author Charles W. Diffin.

Once more Chet, Walt and Diane are united in a wild ride to the Dark Moon—but this time they go as prisoners of their deadly enemy Schwartzmann.

Brood of the Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Brood of the Dark Moon was first published in Astounding Stories August to November 1931. 

Total Running Time (TRT): 6 hours, 48 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Finding of Haldgren is a science fiction novel by American author Charles W. Diffin.

Chet Ballard answers the pinpoint of light that from the craggy desolation of the moon stabs out man's old call for help.

A signal is discovered on the Moon, leading to adventur, suspense, thrills, and an adventurous ride through space. 

The Finding of Haldgren is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth. 

The Finding of Haldgren was first published in Astounding Stories, April 1932. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Finding of Haldgren is a science fiction novel by American author Charles W. Diffin.

Chet Ballard answers the pinpoint of light that from the craggy desolation of the moon stabs out man's old call for help.

A signal is discovered on the Moon, leading to adventur, suspense, thrills, and an adventurous ride through space. 

The Finding of Haldgren is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

The Finding of Haldgren was first published in Astounding Stories, April 1932.

Total Running Time (TRT): 3 hours, 38 min. Reading by Richard Kilmer. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Moon Master is a science fiction novel by American author Charles W. Diffin. 

Through infinite deeps of space Jerry Foster hurtles to the Moon—only to be trapped by a barbaric race and offered as a living sacrifice to Oong, their loathsome, hypnotic god. 

The Moon Master was first published in Astounding Stories, June 1930. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Moon Master is a science fiction novel by American author Charles W. Diffin.

Through infinite deeps of space Jerry Foster hurtles to the Moon—only to be trapped by a barbaric race and offered as a living sacrifice to Oong, their loathsome, hypnotic god.

The Moon Master was first published in Astounding Stories, June 1930.

Total Running Time (TRT): 2 hours, 40 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Two Thousand Miles Below is a science fiction novel by American author Charles W. Diffin.

The main character is Dean Rawson, who plans on discovering a way of mining power from a dead volcano, but ends up discovering more than he bargained for.

Part One: Rawson learns to his cost that the life-spark of a fabled race glows in the black heart of a dead, Western volcano.

Part Two: Town after town is fired by the emerging Red Ones as Rawson lies helpless, a prisoner, far down in their home within the earth.

Part Three: The Voice of the Mountain heralds Rawson's Messianic coming to the White Ones in their hour of need.

Part Four: As part of their titanic plan, Rawson and Loah-San return to sacrifice themselves in the flaming caverns of the Red Ones.

Two Thousand Miles Below was originally produced in four parts in Astounding Stories in June, September, November 1932 and January 1933.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Two Thousand Miles Below is a science fiction novel by American author Charles W. Diffin.

Rawson learns to his cost that the life-spark of a fabled race glows in the black heart of a dead, Western volcano.

The main character is Dean Rawson, who plans on discovering a way of mining power from a dead volcano, but ends up discovering more than he bargained for.

Two Thousand Miles Below was originally produced in four parts in Astounding Stories in June, September, November 1932 and January 1933. 

Total Running Time (TRT): 6 hours, 3 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Spawn of the Stars is a science fiction novella by American author Charles W. Diffin.

The Earth lay powerless beneath those loathsome, yellowish monsters that, sheathed in cometlike globes, sprang from the skies to annihilate man and reduce his cities to ashes.

Spawn of the Stars was first published in Astounding Stories, February 1930.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Spawn of the Stars is a science fiction novella by American author Charles W. Diffin. 

The Earth lay powerless beneath those loathsome, yellowish monsters that, sheathed in cometlike globes, sprang from the skies to annihilate man and reduce his cities to ashes.

Spawn of the Stars was first published in Astounding Stories, February 1930.

Total Running Time (TRT): 1 hour, 26 min. Reading by Mark Nelson. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Pirate Planet is a science fiction novel by American author Charles W. Diffin.

The Pirate Planet is a story of alien invasion, kidnapping, space travel, weird ugly creatures on a distant planet, and of course a beautiful woman. Two of our three heroes battle it out on the pirate planet itself, and the third faces some mind-boggling manufacturing obstacles back home. Can he accomplish his goal in time to save the Earth? And then there's that semi-crazy hermit scientist: will he reveal the secret that will save the world? 

Part One: A strange light blinks on Venus, and over old Earth hovers a mysterious visitant-dread harbinger of Interplanetary War. Part Two: It is war--inter-planetary war--and on far-distant Venus, two fighting Earthlings stand up against a whole planet run amok.  Part Three: Two fighting Yankees--war-torn Earth's sole representatives on Venus--set out to spike the greatest gun of all time.  Part Four: From Earth and Sub-Venus converges a titanic offensive of justice on the unspeakable Man-Things of Torg. 

The Pirate Planet originally appeared as a four-part serial in Astounding Stories of Super-Science in November and December 1930, and January and February 1931.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Pirate Planet is a science fiction novel by American author Charles W. Diffin.

The Pirate Planet is a story of alien invasion, kidnapping, space travel, weird ugly creatures on a distant planet, and of course a beautiful woman. Two of our three heroes battle it out on the pirate planet itself, and the third faces some mind-boggling manufacturing obstacles back home. Can he accomplish his goal in time to save the Earth? And then there's that semi-crazy hermit scientist: will he reveal the secret that will save the world? 

Part One: A strange light blinks on Venus, and over old Earth hovers a mysterious visitant-dread harbinger of Interplanetary War. Part Two: It is war--inter-planetary war--and on far-distant Venus, two fighting Earthlings stand up against a whole planet run amok.  Part Three: Two fighting Yankees--war-torn Earth's sole representatives on Venus--set out to spike the greatest gun of all time.  Part Four: From Earth and Sub-Venus converges a titanic offensive of justice on the unspeakable Man-Things of Torg.

The Pirate Planet originally appeared as a four-part serial in Astounding Stories of Super-Science in November and December 1930, and January and February 1931.

Total Running Time (TRT): 5 hours, 28 min. Reading by Bill Boerst.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

When the Mountain Came to Miramar is a science fiction novella by American author Charles W. Diffin.

It is magic against magic as Garry Connell bluffs for his life with a prehistoric savage in the heart of Sentinel Mountain.

When the Mountain Came to Miramar was first published in Astounding Stories, March 1931. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Dark Moon is a science fiction novel by American author Charles W. Diffin.

Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures.

Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Dark Moon was first published in Astounding Stories in May 1931.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Dark Moon is a science fiction novel by American author Charles W. Diffin.

Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures.

Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Dark Moon was first published in Astounding Stories in May 1931.

Total Running Time (TRT): 3 hours, 25 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Brood of the Dark Moon is a science fiction novel by American author Charles W. Diffin.

Once more Chet, Walt and Diane are united in a wild ride to the Dark Moon—but this time they go as prisoners of their deadly enemy Schwartzmann.

Brood of the Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Brood of the Dark Moon was first published in Astounding Stories August to November 1931. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Brood of the Dark Moon is a science fiction novel by American author Charles W. Diffin.

Once more Chet, Walt and Diane are united in a wild ride to the Dark Moon—but this time they go as prisoners of their deadly enemy Schwartzmann.

Brood of the Dark Moon is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

Brood of the Dark Moon was first published in Astounding Stories August to November 1931. 

Total Running Time (TRT): 6 hours, 48 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Finding of Haldgren is a science fiction novel by American author Charles W. Diffin.

Chet Ballard answers the pinpoint of light that from the craggy desolation of the moon stabs out man's old call for help.

A signal is discovered on the Moon, leading to adventur, suspense, thrills, and an adventurous ride through space. 

The Finding of Haldgren is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth. 

The Finding of Haldgren was first published in Astounding Stories, April 1932. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Finding of Haldgren is a science fiction novel by American author Charles W. Diffin.

Chet Ballard answers the pinpoint of light that from the craggy desolation of the moon stabs out man's old call for help.

A signal is discovered on the Moon, leading to adventur, suspense, thrills, and an adventurous ride through space. 

The Finding of Haldgren is part of the Harkness-Bullard sequence, Dark Moon (1931), Brood of the Dark Moon (1931) and The Finding of Haldgren (1932) involving adventures on an errant new planet full of monsters which has been captured as a new moon orbiting Earth.

The Finding of Haldgren was first published in Astounding Stories, April 1932.

Total Running Time (TRT): 3 hours, 38 min. Reading by Richard Kilmer. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Moon Master is a science fiction novel by American author Charles W. Diffin. 

Through infinite deeps of space Jerry Foster hurtles to the Moon—only to be trapped by a barbaric race and offered as a living sacrifice to Oong, their loathsome, hypnotic god. 

The Moon Master was first published in Astounding Stories, June 1930. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Moon Master is a science fiction novel by American author Charles W. Diffin.

Through infinite deeps of space Jerry Foster hurtles to the Moon—only to be trapped by a barbaric race and offered as a living sacrifice to Oong, their loathsome, hypnotic god.

The Moon Master was first published in Astounding Stories, June 1930.

Total Running Time (TRT): 2 hours, 40 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Two Thousand Miles Below is a science fiction novel by American author Charles W. Diffin.

The main character is Dean Rawson, who plans on discovering a way of mining power from a dead volcano, but ends up discovering more than he bargained for.

Part One: Rawson learns to his cost that the life-spark of a fabled race glows in the black heart of a dead, Western volcano.

Part Two: Town after town is fired by the emerging Red Ones as Rawson lies helpless, a prisoner, far down in their home within the earth.

Part Three: The Voice of the Mountain heralds Rawson's Messianic coming to the White Ones in their hour of need.

Part Four: As part of their titanic plan, Rawson and Loah-San return to sacrifice themselves in the flaming caverns of the Red Ones.

Two Thousand Miles Below was originally produced in four parts in Astounding Stories in June, September, November 1932 and January 1933.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Two Thousand Miles Below is a science fiction novel by American author Charles W. Diffin.

Rawson learns to his cost that the life-spark of a fabled race glows in the black heart of a dead, Western volcano.

The main character is Dean Rawson, who plans on discovering a way of mining power from a dead volcano, but ends up discovering more than he bargained for.

Two Thousand Miles Below was originally produced in four parts in Astounding Stories in June, September, November 1932 and January 1933. 

Total Running Time (TRT): 6 hours, 3 min. Reading by Richard Kilmer.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Spawn of the Stars is a science fiction novella by American author Charles W. Diffin.

The Earth lay powerless beneath those loathsome, yellowish monsters that, sheathed in cometlike globes, sprang from the skies to annihilate man and reduce his cities to ashes.

Spawn of the Stars was first published in Astounding Stories, February 1930.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

Spawn of the Stars is a science fiction novella by American author Charles W. Diffin. 

The Earth lay powerless beneath those loathsome, yellowish monsters that, sheathed in cometlike globes, sprang from the skies to annihilate man and reduce his cities to ashes.

Spawn of the Stars was first published in Astounding Stories, February 1930.

Total Running Time (TRT): 1 hour, 26 min. Reading by Mark Nelson. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Pirate Planet is a science fiction novel by American author Charles W. Diffin.

The Pirate Planet is a story of alien invasion, kidnapping, space travel, weird ugly creatures on a distant planet, and of course a beautiful woman. Two of our three heroes battle it out on the pirate planet itself, and the third faces some mind-boggling manufacturing obstacles back home. Can he accomplish his goal in time to save the Earth? And then there's that semi-crazy hermit scientist: will he reveal the secret that will save the world? 

Part One: A strange light blinks on Venus, and over old Earth hovers a mysterious visitant-dread harbinger of Interplanetary War. Part Two: It is war--inter-planetary war--and on far-distant Venus, two fighting Earthlings stand up against a whole planet run amok.  Part Three: Two fighting Yankees--war-torn Earth's sole representatives on Venus--set out to spike the greatest gun of all time.  Part Four: From Earth and Sub-Venus converges a titanic offensive of justice on the unspeakable Man-Things of Torg. 

The Pirate Planet originally appeared as a four-part serial in Astounding Stories of Super-Science in November and December 1930, and January and February 1931.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

The Pirate Planet is a science fiction novel by American author Charles W. Diffin.

The Pirate Planet is a story of alien invasion, kidnapping, space travel, weird ugly creatures on a distant planet, and of course a beautiful woman. Two of our three heroes battle it out on the pirate planet itself, and the third faces some mind-boggling manufacturing obstacles back home. Can he accomplish his goal in time to save the Earth? And then there's that semi-crazy hermit scientist: will he reveal the secret that will save the world? 

Part One: A strange light blinks on Venus, and over old Earth hovers a mysterious visitant-dread harbinger of Interplanetary War. Part Two: It is war--inter-planetary war--and on far-distant Venus, two fighting Earthlings stand up against a whole planet run amok.  Part Three: Two fighting Yankees--war-torn Earth's sole representatives on Venus--set out to spike the greatest gun of all time.  Part Four: From Earth and Sub-Venus converges a titanic offensive of justice on the unspeakable Man-Things of Torg.

The Pirate Planet originally appeared as a four-part serial in Astounding Stories of Super-Science in November and December 1930, and January and February 1931.

Total Running Time (TRT): 5 hours, 28 min. Reading by Bill Boerst.

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.

When the Mountain Came to Miramar is a science fiction novella by American author Charles W. Diffin.

It is magic against magic as Garry Connell bluffs for his life with a prehistoric savage in the heart of Sentinel Mountain.

When the Mountain Came to Miramar was first published in Astounding Stories, March 1931. 

Charles W. Diffin (1884-1966) was a US engineer, airplane salesman and science fiction writer. He was one of the better writers whom Harry Bates encouraged to write for the new Astounding Stories.