From giant octopuses and great white sharks, to deep sea divers and treasure troves , there are around 100 things to spot on every double page of this book. Each beautifully illustrated puzzle picture shows a different underwater scene, including the magical world of the coral reef, the spooky ocean depths, a sunken pirate ship and many more. The Great Undersea Search provides countless hours of puzzle-solving fun, and is full of fascinating facts about life under the oceans.