Penn, Helen. Understanding early childhood : issues and controversies / Helen Penn. - Maidenhead, Berkshire, England : Open University Press, 2005. - xii, 198 p. : ill. ; 24 cm. Includes bibliographical references (p. [184]-193) and index. ISBN: 0335211348 (pbk.) Subjects--Topical Terms: Child development. Dewey Class. No.: 305.231 PEN