"When Lu's sister disappears, the dog detectives must spring into action! In this activity storybook, readers help solve the mystery and learn about sound science at the same time" Cf. Our choice, 2003.
Details
ISBN: 1554532523 (pbk.)
ISBN: 9781554532520 (pbk.)
ISBN: 1554532515 (bound) :
ISBN: 9781554532513 (bound) :
Physical Description:32 p. : ill. ; 24 cm.print
Edition:Rev. ed.
Publisher:Toronto : Kids Can Press, [2008]
General Note: "Level 2. Read with help"--Cover.Previously published under title: Sound off.