000 00301 a2200121 4500
020 _a0399155724
100 _aSummers, George .J.
_97471
245 _aThe great book of puzzles and teasers
260 _aMumbai
_bJaico
300 _a256p.
650 _a510.6
_xPuzzles
_97472
942 _cREF
_k510.6 SUM
_2ddc
999 _c332900
_d332900