00397nam a22001337i 4500001001000000005001700010008004100027082002100068100002200089245007000111260004400181300001700225650002100242SXC01221320260819093525.0260101s1990    ii            000 0 eng d  a793.73 SUM-G222  aSummers, George J10aGreat book of mind teasers and mind puzzlers /cSummers, George J  abJaico Publishing House, Bombay,c1990  ap. ;c22 cm. 0aGames of Puzzles