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 beautiful 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. This book provides countless hours of puzzle-solving fun, and is full of fascinating facts about life under the oceans. If you really get stuck trying to find all the hidden things, you can look up the answers at the back of the book.