This book is part of a book series called On the Spot .

This book is aimed at children in primary school.

There are 16 pages in this book. This book was published 1999 by Reader's Digest Children's Books Ltd .

Moira Butterfield is an experienced children's non-fiction author, with more than 100 books to her credit. Angela Royston has written and edited many books for children about science and nature.