Martin, McCory Justin.

Muscles / by Justin McCory Martin. - New York : Scholastic, 2010. - 16 p. : col. ill. ; 23 cm. - Science sight word readers .

"When you smile, muscles are hard at work. Learn more facts about your muscles in this book" (publisher).

ISBN: 9780545247962

LCCN: 2010284955

Subjects--Topical Terms:
Muscles.
Science.

LC Class. No.: QM100 / .D84 2010