00489nam a2200193Ia 4500008004100000020001800041050001400059100001500073245002500088245003500113245004800148260001500196260001600211260000900227300001400236300002700250300001000277500000800287170918s9999    xx            000 0 und d  a9780439210402  bT164 2001  aTang, Greg 4aThe grapes of math :  bmind-stretching math riddles /  cby Greg Tang ; illustrated by Harry Briggs.  aNew York :  bScholastic,  c2001  aunpaged :  bcolored illustration ;  c25cm.  a400