Deep Sea Hunters in the Frozen Seas — A. Hyatt Verrill
Marooned in the Forest: The Story of a Primitive Fight for Life — A. Hyatt Verrill
The Book of the Sailboat: How to rig, sail and handle small boats — A. Hyatt Verrill
The Deep Sea Hunters: Adventures on a Whaler — A. Hyatt Verrill
The Radio Detectives — A. Hyatt Verrill
The Radio Detectives in the Jungle — A. Hyatt Verrill
The Radio Detectives Under the Sea — A. Hyatt Verrill
