Gale H. (ed.) The Big Book of Mensa Puzzles: Over 400 brain-teasing word and number puzzles

Carlton Books, TSP, 1996. — 228 p.No special skills are needed to tackle these fiendish puzzles beyond common sense, logic and a tenacious will not to give up.
Pit your wits against the egg-heads at Mensa who have devised this demon collection of mind-boggling word and number puzzles.
Over 200 number-crunching brain-twisters.
Over 200 baffling word games and conundrums.
Puzzles range from easy to devilishly difficult.
Full solutions included.