000 00534nam a2200181Ia 4500
001 23073
008 230215s9999 xx 000 0 und d
020 _a0-521-44602-3
100 _aVout, Colin and Gray, Gordon
245 0 _aChallenging Puzzles
260 _bCambridge University Press
260 _c1993
300 _a126
520 _aThis book contains a collection of original puzzles of a truly challenging nature…
650 _aJuvenile Non-Fiction / Mathematical Recreation / Puzzles
942 _2Metis
942 _cBK
999 _c1481
_d1481