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.

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.

Rhyming text introduces a submarine, describing its various parts, its navigation system, and the jobs it can do.

When the German submarine, U-471, collects two prisoners from a vessel located off the Icelandic coast, ordered to transport them to the base at Brest, one of the prisoners, a British submarine commander, goes rogue, setting in motion a series of shocking, brutal events that seem to be linked to the supernatural.

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.

When her brother is killed, brilliant marine architect Hannah Bryson must discover the volatile mystery behind a decommissioned Soviet submarine, Silent Thunder, that was recently purchased by the U.S. government for use as a maritime museum. Though the U.S. government tries to warn Hannah away, she'll stop at nothing to find the ruthless mastermind behind her brother's death. Even if it means joining forces with a mysterious man who may be even more...

Atomic Submarine: A series of mysterious sinking plagues the northern seas. Great trans-arctic submarine liners are vanishing without a trace! The nuclear powered U.S.S. Tiger Shark, the most advanced sub in the fleet, has been undergoing around-the-clock modifications to prepare for an urgent top-secret mission: to discover the cause of the Arctic disasters, and put an end to it! First man into space: A cocky test pilot disobeys orders and takes...

The USS Kentucky--a Trident ballistic missile submarine carrying a full complement of 192 nuclear warheads--is about to go on a routine cruise. Not long after it reaches the open sea, however, the Kentucky receives a launch order. After receiving that launch order, it is cut off from all counter-orders and disappears into the Pacific while it makes the eight-day transit to the launch site. What the Kentucky's crew doesn't know is that those launch...

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.

In the last days of WWII, Germany, desperate for any last grasp to defeat the allied powers, looked to their last remaining weapons and soldiers. The German Navy and the last remaining U-Boats were formed together for one last mission, a mission to attack the United States Homeland, Operation Seawolf. Captain Hans Kessler, a grizzled submarine commander from both World Wars, is called into service to make one mission successful and help turn the tide...