Jones, Elizabeth, The play's the thing : teachers' roles in children's play - 2nd ed. - New York : Teachers College Press, 2011. - xv , 152 p . : ill . ; 23 cm . - Early childhood education series . ISBN: 9780807752418 (pbk. : alk. paper) Subjects--Topical Terms: PlayEducation, PreschoolTeaching. Dewey Class. No.: 372.210973