Penn, Helen. Understanding early childhood : issues and controversies / Helen Penn. - 2nd ed. - Maidenhead : McGraw-Hill/Open University Press, 2008. - x, 219 p. : ill. ; 23 cm. Previous ed.: 2005. Includes bibliographical references (p. 195-208) and index. ISBN: 0335225500 9780335225507 Subjects--Topical Terms: Child developmentEarly childhood education. LC Class. No.: HQ767.9 / .P42 2008