00440nam a2200157 a 450000500170000000800410001702000180005805000260007610000250010224500440012726000450017130000080021644000330022465000120025765000130026920140412111428.0090226s19uu    xx            00    eng d  a0-916119-31-9  aTR(GS 646.1bW67 1994  aWilliams, Rozanne L.  aButtons Buttons /cRozanne L. Williams.  aU.S.A :bCreative Teaching Press,c1994.  a8p.  aLearn to read Science series  aSorting  aCounting