This book is part of a book series called Dk Secret Worlds .

There are 96 pages in this book. This book was published by DK Publishing (Dorling Kindersley) .

Miranda MacQuitty is a biologist, science writer, and contributor to magazines and children's radio. Dr Philip Whitfield is a lecturer in zoology and natural science at King's College, University of London. He holds a first class BSc Honours degree in Zoology and has authored over 75 publications in scientific literature.