No. of pages 48
Published: 2008
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This book is part of a book series called Lets Explore Science .
This book has been graded for interest at 9-13 years.
There are 48 pages in this book. This book was published 2008 by Rourke Publishing .
Penny Johnson has been an engineer, a science teacher, and a full-time publisher of school textbooks. She is now a full-time freelance writer, consultant, and editor, who has co-written a number of science courses for use at home and in school. She lives in England.
This book is in the following series: