000 00513nam a2200181Ia 4500
008 191130s2010##################000#0#eng##
020 _a9781847325341
040 _aACL
_cACL
082 _a793.73 CAR
245 _aKeep your mind fit number puzzles
260 _aLondon
_bCarlton Books
_c2010
300 _a174 p. . : ill. ; 14 cm
650 _aMathematical recreations
710 _aMensa The High IQ Society
990 _a0386c461ac10000c5e7c68c6aad200ed
991 _a389624
999 _c225659
_d225659