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

Peter Mellett has worked as an editor, writer and consultant for many children's and adult educational books. Dr John Rostron is a Senior Lecturer in the Department of Environmental Science and Mathematics, University of East London. Peter Harrison started as a painter at Glasgow School of Art before taking up a career in publishing. He is currently a freelance editor and the author of children's information books.