Sommer, Dion. A childhood psychology : young children in changing times / Dion Sommer. - Basingstoke ; New York, NY : Palgrave Macmillan, c2012. - viii, 289 p. : ill. ; 24 cm. ISBN: 9780230252240 0230252249 0230361943 9780230361942 LCCN: 2012009254 Subjects--Topical Terms: Child development.Child psychology. LC Class. No.: HQ767.9 / .S6683 2012 Dewey Class. No.: 155.4 SOM