000 00347nam a2200145Ia 4500
020 _a0087577907239
082 _b1677
_a510
100 _a"NA"
245 0 _aNumber Puzzles
260 _b,PENGUIN POPULAR CLASSICS,MC GRAW HILL
_aAUSTRALIA
_c1994
300 _a32
944 _cTR
999 _c239820
_d239820