This book is part of a book series called All About .
There are 64 pages in this book. This book was published 2002 by Anness Publishing .
Jack Challoner has written and lectured on a wide range of science topics. Dr Rodney Walshaw has worked for the British Geological Survey and edited several renowned geoscience publications. John Farndon has written many books for children, specialising in popular science and astronomy. He has twice been shortlisted for the "Copus Science Book Prize. "