00463nam a2200181Ia 4500008004100000020001800041245003000059245005100089260001500140260001600155260000900171300001400180300002500194300001000219440002500229500000800254999001900262170705s9999    xx            000 0 und d  a9780545037709 4aThe mission of addition /  cBrian P. Clearly ; illustrated by Brian Gable.  aNew York :  bScholastic,  c2005  aunpaged :  bcolor illustration ;  c23cm.  aMath is categorical.  a610  c336925d336925