Twist, Clint Light and sound : the best start in science by Clint Twist - 1st ed - Tunbridge Wells, Kent Ticktock 2009 - 24 p. : col. ill. ; 28 cm Includes index. First published as: Check it out! in 2005 ISBN: 9781848980617 Subjects--Topical Terms: Physics Dewey Class. No.: 530 TWI