This book is part of a book series called Facts At Your Fingertips .

There are 64 pages in this book. This book was published by Brown Bear Books .

David Alderton's books have sold more than six million copies worldwide. He is also a frequent participant in radio and television shows. DR AMY-JANE BEER is a writer, editor, journalist and scientist based in rural North Yorkshire. She has contributed to many books on natural history and writes regular features for magazines such as BBC Wildlife.