Mystery Puzzles and Logic Riddles: An Illustrated Collection of Deduction Games for Young Detectives (Logic Games for Smart Kids) Unicorn Books
Logic Games Workbook: An illustrated Collection of Logic Grid Puzzles for Kids 8-12 (Logic Games for Smart Kids) Unicorn Books
The Galactic Logic Puzzle Extravaganza for Adults: Logic Grids, Brain Teasers, and Other Mind-Bending Challenges Unicorn Books
Logic Grid Puzzles: An Illustrated Collection with Facts from the Real World (Logic Puzzle Books for Adults) Unicorn Books