000 00336nam a2200145Ia 4500
020 _a9780721412279
082 _b808
_a629.23
100 _a"Ardley, Neil"
245 0 _aHow it works
260 _b,Ladybird Books Ltd
_aEngland
_c1993
300 _a43
944 _cBK
999 _c246838
_d246838