Berk, Laura E. Infants and children : prenatal through middle childhood / Laura E. Berk. - 4th ed. - Boston, Mass. : Allyn and Bacon, c2002. - xxxii, 521p.+ : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 0205337384 Subjects--Topical Terms: Child development LC Class. No.: RJ131 / B45 2002