The Speedwell Boys and Their Ice Racer: or, Lost in the Great Blizzard

The Wizard of the Sea / A Trip Under the Ocean

Under the Ocean to the South Pole / Or, the Strange Cruise of the Submarine Wonder

Through the Air to the North Pole / or The Wonderful Cruise of the Electric Monarch

Lost on the Moon / Or, in Quest of the Field of Diamonds

Five Thousand Miles Underground / Or, the Mystery of the Centre of the Earth