Imaginative Inventions: The Who, What, Where, When, and Why of Roller Skates, Potato Chips, Marbles, and Pie (and More!) by Charise Mericle Harper
	List Price:   $16.99 Unit Price:   $13.59 You Save:   $3.40 (20%) ISBN-10:   0316347256 ISBN-13:   9780316347259 Publisher:   Hachette; Little Brown Category:   Science Books Pub. Date:   September 2001 Format:   Hardcover