The Rover Boys in the Air Part 50

The submarine is stopped by a warship and those on board are made prisoners, but escape.

TOM SWIFT AND HIS ELECTRIC RUNABOUT Or, The Speediest Car on the Road

A runabout is built, and then begins a series of adventures.

TOM SWIFT AND HIS ELECTRIC RIFLE Or, Daring Adventures in Elephant Land.

Thrilling adventures in the African jungle with the red pygmies and fine work with the electric rifle.

TOM SWIFT AND HIS SKY RACER Or, The Quickest Flight on Record.

The Humming Bird--a racer of terrific speed--wins a ten thousand dollar prize against other bird-men.

TOM SWIFT IN THE CAVES OF ICE Or, The Wreck of the Airship

Tom and his friends go to Alaska to search for gold in the caves of ice and are almost defeated.

TOM SWIFT AMONG THE DIAMOND MAKERS Or, The Secret of Phantom Mountain

Tom and his friends start out in the "Red Cloud" to find the diamond makers that they are told are hid in the Rocky Mountains.

TOM SWIFT AND HIS WIRELESS MESSAGE Or, The Castaways of Earthquake Island

A trip to Cape May, a terrific storm and a wreck on a West Indian island. A wireless plant saves them.