Discover the fascinating history of submarines and submersibles, from the first workable designs of the 16th century to Cold War vesselsarmed with nuclear missi

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

Find out all about how submarines work, as well as what life on board is like, in this unique and exciting guide to submarines. Fabulous full-colour photographs

DK Eyewitness Books: Shipwreck is a spectacular and informative guide to some of the world's most significant shipwrecks. Richly detailed, full-color photograph

From the craft that investigated the wreck of the Titanic to how octopuses make use of jet propulsion, Eyewitness Ocean explains everything about the secret wat