This book features in the following series: Early Worms, Who Are You, Who Are You? .

This book is aimed at children in primary school.

There are 24 pages in this book. This book was published 1998 by Hachette Children's Group .

The author, Steve Parker, has written numerous books on the human body, animals and wildlife. Steve graduated with a BSc First Class Honours, is a Scientific Fellow of the Zoological Society, and appears on radio, TV and at science workshops, schools and book fairs. The consultant, Dr Trish Groves, is a medical writer and a senior editor at the British Medical Journal.