This book is part of a book series called Fact Finders-Great Inventions .
This book has been graded for interest at 8-10 years.
There are 32 pages in this book. This book was published 2000 by Capstone Press .
This book is part of a book series called Fact Finders-Great Inventions .
This book has been graded for interest at 8-10 years.
There are 32 pages in this book. This book was published 2000 by Capstone Press .
