Originally published 1930.

This is the first book of the Sky Buddies, Jim Austin and Bob Caldwell and their plane, properly christened "HER HIGHNESS" in which they encounter many thrilling and exciting adventures.

Originally published 1930.

This is the first book of the Sky Buddies, Jim Austin and Bob Caldwell and their plane, properly christened "HER HIGHNESS" in which they encounter many thrilling and exciting adventures.

Originally published 1930.

This is the first book of the Sky Buddies, Jim Austin and Bob Caldwell and their plane, properly christened "HER HIGHNESS" in which they encounter many thrilling and exciting adventures.