Text ( visual ) : unmediated Questioning play : what play can tell us about social life / Henning Eichberg. -- : hbk. -- London : Routledge , 2016. -- vi, 275 p. : ill. ; 24 cm. -- Includes bibliographical references and indexes. -- ISBN 9781138682474 ; (BB22742415) ; https://ci.nii.ac.jp/ncid/BB22742415 Author Heading(s): Eichberg, Henning. -- Classification(s): LCC : LB1137 ; DC23 : 306.4/81. -- Subject Heading(s): LCSH : Play ; LCSH : Play -- Social aspects