TY - BOOK AU - Sole Tim AU - Marshall Rod ED - American Mensa Limited TI - Nearly impossible brain bafflers: official American Mensa puzzle book SN - 0806962933 AV - GV1493 U1 - 793.73 PY - 1998/// CY - New York PB - Sterling KW - Puzzles KW - Mathematical recreations N1 - Includes index ER -