While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.

Describes various water vehicles and their uses, including an aircraft carrier, hydrofoil, and airboat.

Describes different kinds of submersibles, ships that can go underwater, including submarines, bathyscaphes, and the ABE or Autonomous Benthic Explorer.

Photographs and simple text introduce early readers to the different types of underwater crafts that are used to explore the world's oceans, protect countries, and study marine life.

A starship crew of humans and dolphins skirts the brink of interstellar war in this epic adventure by the New York Times–bestselling author of The Postman.
 
We are not alone. Humanity’s explorations have revealed galaxies inhabited by millions of intelligent species interacting under ancient traditions. Foremost among said traditions is uplift, which requires all spacefaring races to welcome...

Lady Nimisha is shocked when Lord Tionel chooses her to be his successor at the helm of the Ship Yards, and now she must try to fulfill his dreams and her own.

A nineteenth-century science fiction tale in which a French professor and his companions, trapped aboard a fantastic submarine with a mad sea captain, come face to face with exotic ocean creatures and strange sights hidden from the world above.