000 00338 a2200121 4500
008 141010b2010 xxu||||| |||| 00| 0 eng d
082 _aCH609
100 _aMadgwick, Wendy
245 _aQuestions and Answers Inventions /
_cWendy Madgwick
260 _aLondon :
_bKingfisher Publications,
_c2010.
300 _a40p.
650 _aInventions
999 _c10602
_d10602