Dive into adventure in the last unknown territory on Earth - the sea. Join Robby Hoenig and a cast of characters as unusual as any ever met on a distant planet...

In the first Robby Hoenig adventure, Secret Under the Sea, an aquatic visitor from another world is threatened by a criminal gang...

Gordon R. Dickson''s Robby Hoenig adventures are timeless young adult stories in the tradition of Arthur C. Clarke''s Dolphin Island.

Dive into adventure in the last unknown territory on Earth - the sea. Join Robby Hoenig and a cast of characters as unusual as any ever met on a distant planet...

In the first Robby Hoenig adventure, Secret Under the Sea, an aquatic visitor from another world is threatened by a criminal gang...

Gordon R. Dickson''s Robby Hoenig adventures are timeless young adult stories in the tradition of Arthur C. Clarke''s Dolphin Island.