No. of pages 128
This book is part of a book series called National Geographic Kids .
This book has been graded for interest at 8-12 years.
There are 128 pages in this book. This is a reference book. This book was published 2012 by National Geographic Society .
Crispin Boyer is a frequent contributor to National Geographic Kids Magazine. This is his third book for National Geographic.
This book is in the following series: