A desperate attempt in 1917 to preserve the wealth and power of the Romanov Empire. A Cold War bomber lost with a deadly cargo. Mysterious deaths on the Black Sea linked to modern day smugglers of nuclear materials. At the center of it all is Dirk Pitt and his team from NUMA. As the danger escalates, there's only one man who can avert catastrophe. From London to Washington, from the Black Sea to the Mediterranean, the action never stops, as Pitt races...

Adventurer Dirk Pitt matches wits with a group of Japanese nationalist extremists out to establish a new empire as he races against time to recover an atomic bomb lost in the Pacific aboard a B-29 during World War II.

"A routine survey mission over the North Atlantic exposes a missing luxury yacht frozen inside a million-ton mass of ice. The ship had vanished en route to a secret Whtie House rendezvous, making it the responsibility of the National Underwater and Marine Agency to find out what happened. In other words, it's time for Dirk Pitt to cut his vacation short and get back to work." -- back of cover.

A wealthy American financier disappears on a treasure hunt in an antique blimp. From Cuban waters, the blimp drifts toward Florida with a crew of dead men--Soviet cosmonauts. Dirk Pitt discovers a shocking scheme: a covert group of US industrialists has put a colony on the moon, a secret base they will defend at any cost. Threatened in space, the Russians are about to strike a savage blow in Cuba--and only NUMA's Dirk Pitt can stop them. From a Cuban...