Logic Games Workbook: An illustrated Collection of Logic Grid Puzzles for Kids 8-12 (Logic Games for Smart Kids) Unicorn Books
The Ultimate Logic Grid Puzzle Book for Adults, Volume 2: Another 100 Fun and Challenging Puzzles (Logic Puzzles – The Ultimate Collection) Unicorn Books
Logic Grid Puzzles, Volume 2: From Easy to Fiendishly Hard (Logic Puzzles for Adults – Platinum Collection) Unicorn Books
Logic Grid Puzzles: An Illustrated Collection with Facts from the Real World (Logic Puzzle Books for Adults) Unicorn Books