Logic Problems Spectacular Puzzles for All Ages – 2 Pack [Paperback] Penny Press/Dell Magazines Dell Puzzle Books
Logic Lover’s Math & Logic Problems for Teens, Adults & Seniors – 3 Pack [Paperback] Penny Press/Dell Magazines Dell Puzzle Books
50 United States Themed Logic Grid Puzzles | Hours of Challenging Fun | Logic Grid Puzzle Book for Adults: USA Themed | Fun & Challenging Logic Grid Puzzle Book Lane, Milliwood
Logic Grid Puzzles Triple Trouble: 150 Devilishly Fun Puzzles (3 Books in 1) (Logic Puzzles for Adults – Platinum Collection) Unicorn Books