This book is part of a book series called Science Works .

This book has been graded for interest at 8-12 years.

There are 31 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 2006 by Picture Window Books .

Jacqui Bailey is an award-winning author with more than 20 children's information books to her name, including A Cartoon History of the Earth series. Jacqui Bailey lives in London and Matthew Lilly in Devon. Jill Bailey trained as a scientist, and is experienced at writing for young people.