This book is part of a book series called I Want To Know About .

This book has been graded for interest at 6-9 years.

There are 32 pages in this book. This book was published 2012 by Octopus Publishing Group .

Dougal Dixon, one of the world's most respected authors of dinosaur books, is the perfect guide. Dee Phillips is the author of "Inventions and Discoveries," "Mammals," and "People of the World. "