Colorado Parks & Wildlife Research Library

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

In Paris, a graduate student in a secret laboratory reveals a powerful new technology to a beautiful and mysterious woman. A few hours later, the student is drugged and dumped in a river. Radical environmental terrorists are launching a fanatical campaign--and the very future of the world they seek to protect may be at stake. Only MIT scientist and federal agent John Kenner can stop the deadly plot before the terrifying consequences are realized--and...

Somewhere off the coast of Louisiana, an old Nazi submarine lies buried in the sands, hidden by thick seaweed and salty waters. Dave Robicheaux is the only person who has ever discovered it, and now Hippo Bimstine, New Orleans' largest mover and shaker, wants him to find it again.

It is the greatest advance in American defense technology in decades - an attack submarine capable of incredible underwater speeds. There is only one problem: A key element of the prototype is missing and the man who developed it is dead. At the same time, ships have started vanishing mid-ocean, usually never to be found again, but when they are, sometimes bodies are found aboard . . . burned to a crisp. What is going on? It is up to NUMA director...

"Originally published in 1998 and a best seller in its hardcover and paperback publications, Blind Man's Bulffis a dramatic, and riveting history. Over the course of five years, investigative reporters Sherry Sontag and Chris Drew interviewed hundreds of men who had never spoken about their underwater lives--not even to their wives and children. They uncovered a wealth of classified information: the tapping of undersea Soviet telephone cables, the...

In the summer of 1851, with encouragement and ideas provided by his family, an inventor builds a working submarine and takes his family for a ride. Includes notes about Lodner Phillips, the real inventor on whom the story is based.

"Detective Isaac Bell battles foreign spies, German U-boats, and an old nemesis to capture a secret technology that could alter the outcome of World War I in the latest adventure in the #1 New York Times bestselling series from Clive Cussler. As New England swelters in the summer of 1914, Detective Isaac Bell is asked to investigate a cache of missing rifles--only to discover something much more sinister. Whoever broke into this Winchester Factory...

Sifting through reams of seemingly unrelated intelligence, CIA analyst Katherine Rule discovers a chilling pattern: an ultrasecret Baltic submarine base ... a crafty Russian spy-master in command ... a carefully planned invasion about to be launched from dark waters.

In the final days of World War II, the Japanese launch two submarines carrying a new strain of a deadly virus to the west coast of the United States, but years after the subs are lost at sea, someone plots to use their deadly cargo.

Shows how submersible vessels work and what it's like to live underwater.