The Ultimate Brain Games And Puzzles Book For Adults: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word Searches And Much More To Keep Your Mind Young And Engaged
The Ultimate Activity Book for Intelligent Men: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Adults (Perfect Gift for Men)
Bradford’s Pocket Crossword Solver’s Dictionary: Over 125,000 solutions in an A-Z format for cryptic and quick puzzles