000 00330nam a2200145Ia 4500
020 _a0-7696-2923-7
082 _b1893
_a420
100 _a"NA"
245 0 _aNumber Puzzles
260 _bM Graw Hill Childrens Publishing
_c2003
300 _a31
944 _cBK
999 _c139830
_d139830