Rivera, Sheila, 1970-

Over and under / by Sheila Rivera. - Minneapolis : Lerner Publications, c2005. - 8 p. : col. ill. ; 18 cm. - First step nonfiction .

ISBN: 0822553503 (pbk. : alk. paper)

LCCN: 2004012998

Subjects--Topical Terms:
Space perception.

LC Class. No.: BF469 / .R58 2005

Dewey Class. No.: 153.7/52