The Galactic Logic Puzzle Extravaganza for Adults: Logic Grids, Brain Teasers, and Other Mind-Bending Challenges Unicorn Books
Logic Puzzles for Kids 8-12: Challenging and Fun Logic Grids, Brain Teasers, and Other Puzzles to Improve Logic Skills while Having a Blast (Logic Games for Smart Kids) Unicorn Books
Logic Grid Puzzles, Volume 2: From Easy to Fiendishly Hard (Logic Puzzles for Adults – Platinum Collection) Unicorn Books
Logic Games Workbook: An illustrated Collection of Logic Grid Puzzles for Kids 8-12 (Logic Games for Smart Kids) Unicorn Books