The Ultimate Activity Book for Intelligent Men: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Adults (Perfect Gift for Men) IQ Street
The Ultimate Activity Book for Smart Boys: Tricky Brain Teasers, Mind Games and Logic Puzzle Activities for Boys 8-12 (Activity Books for Kids) IQ Street
The Logic Puzzle Advent Calendar – Vol. 2 for Advanced Solvers: Challenging Christmas-Themed Logic Grid Puzzles for a Cozy and Fun-Filled Holiday (The Logic Puzzle Advent Collection) Books, Unicorn
Brilliant Brain Teaser Puzzles for Adults: 101 Games to Sharpen the Mind (Fox Chapel Publishing) Brain Games Book – Easy, Medium, and Hard Memory Activities, Word Puzzles, Logic Problems, and More Angels Navarro