Tricky Logic Puzzles for Adults: 130+ Difficult Puzzles to Challenge You - GOOD

Puzzle Baron's Number Logic Puzzles : Over 300 Brain-Challenging

Puzzle Baron's Number Logic Puzzles: Over 300 Brain-Challenging Puzzles-From...

Puzzle Baron's Number Logic Puzzles: ..., Baron, Puzzle

Puzzle Baron's Gigantic Book of Logic Puzzles: 600+ Brain Challenges for Hours

Puzzle Baron's Number Logic Puzzles: Over 300 Brain-Challenging Puzzles-From...

Murdoku: 80 Murder Mystery Logic Puzzles (Paperback or Softback)