1,000 Inventions and Discoveries by Roger Bridgman
	List Price:   $24.99 Unit Price:   $19.99 You Save:   $5.00 (20%) ISBN-10:   0789488264 ISBN-13:   9780789488268 Publisher:   DK Publishing, Inc. Category:   Non-Fiction, Science Books Pub. Date:   August 2002 Pages:   256 Format:   Hardcover Ages:   8 to 17 Grades:   3 to 12