The Ultimate Logic Puzzle Book For Kids Ages 8 – 11: Screen-Free Entertainment with Brain Teasers and Logic Challenges to Improve Focus and Boost Your Child’s Confidence through Problem Solving Lulu The Unicorn, Publishing
The Ultimate Brain Games And Puzzles Book For Adults: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word Searches And Much More To Keep Your Mind Young And Engaged Donovan, Ellis
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