IQ Workout Logic Puzzles - Paperback - VERY GOOD

Challenging Logic Puzzles - Paperback By Clarke, Barry R - GOOD

Mensa Iq Workout - Paperback By Mensa - GOOD

Challenging Logic Puzzles - Paperback By Clarke, Barry R - VERY GOOD

The Little Giant Encyclopedia of Logic Puzzles - Paperback - GOOD

False Logic Puzzles - Paperback By Willis, Norman D - GOOD

Logic Puzzles - Paperback By Dixon, Sarah - VERY GOOD

The Worlds Biggest Book of Brainteasers Logic Puzzles - Paperback - GOOD