This book is part of a book series called I Wonder Why .
There are 32 pages in this book. This book was published 2011 by Pan Macmillan .
Pat Jacobs has written more than 50 non-fiction, reference and activity books for children on subjects ranging from dinosaurs to the future of space exploration. She has lived in Paris and Germany, and has translated several children's books from German into English. Pat has two grown-up children and lives with her husband in rural Suffolk.
This book is in the following series: