IQ Workout Logic Puzzles - Paperback - GOOD

Puzzle Baron's Logic Puzzles, Vol. 2 - Paperback By Baron, Puzzle - VERY GOOD

Brain-Stretching Logic Puzzles - Paperback By Clarke, Barry R - VERY GOOD

Logic Puzzles - Paperback By Dixon, Sarah - VERY GOOD

Mensa Iq Workout - Paperback By Mensa - GOOD

Puzzles For The High IQ - Paperback By King, Lloyd - VERY GOOD

Amazing Logic Puzzles - Paperback By Willis, Norman D - VERY GOOD

Beyond Consequences, Logic, and Control, Vol. 2 - Paperback - VERY GOOD