Tom Swift in the City of Gold, or, Marvelous Adventures Underground

Tom Swift and His Electric Locomotive, or, Two Miles a Minute on the Rails

Tom Swift and His Electric Rifle; or, Daring Adventures in Elephant Land

Tom Swift and His Electric Runabout, or, the Speediest Car on the Road

Tom Swift and His Sky Racer, or, the Quickest Flight on Record

Tom Swift and His Submarine Boat, or, under the Ocean for Sunken Treasure