In book 3 of the series Tom Swift Jr. Adventures, Tom, the boy inventor, uses his fantastic jetmarine, a submarine with an atom-powered jet propulsion system.
Hey, it was the fifties, skill with fisticuffs, and much authorial convenience to catch a group of dastardly pirates who hijack vessels with an airplane-mounted pseudo-scientific knock-out gun.
This book is in great shape, with no rips, writing, or tears. The original dust jacket shows wear.
Please use pictures as a guide. If you have any questions or need more pictures, ask.