What's the Big Idea?: Inventions That Changed Life on Earth Forever
No. of pages 96
Published: 2009
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This book has been graded for interest at 8-12 years.
There are 96 pages in this book. This book was published 2009 by Owlkids .
Helaine Becker is an award-winning children's author. She has written over seventy books, including the #1 Canadian National Bestseller, A Porcupine in a Pine Tree. She lives in Toronto, Ontario.