Variety Logic Puzzles for Adults (Kindle Scribe Only): A Fun and Challenging Activity Book to Test Your Wits with Logic Grids, Battleships, Skyscrapers, and Minesweepers Books, Unicorn
Classic Game – Matchstick Math Puzzles: A set of brain teasers to improve your thinking and concentration AG-Arthur, Gwara
The Ultimate Brain Health Puzzle Book for Adults: Crosswords, Sudoku, Cryptograms, Word Searches, and More! Fraas, Phil