000 00349nam a2200145Ia 4500
020 _a0751355712
082 _b794
_a510
100 _a"WENDY CLEMSON AND DAVID CELMSON"
245 0 _aSUBTRACTION
260 _b,DORLING KINDERSLEY PRESS
_aUK
_c1997
300 _a32
944 _cBK
999 _c740739
_d740739