COMPANION TO: NATURAL DISASTERS!, ISBN 9781619308596. From ancient times to now, engines have powered the activities of peoples lives. 'Engines!' invites readers to explore engines through hands-on STEM projects that deepen their understanding of engines, what makes them hum, and all the special jobs they do for humans. Please Note: The following title was included in a previous LBI KIDS Bestseller list; libraries may need to reorder. Ages 7 to 10