Brain Stimulating Books and Cognitive Exercises for Adults With Anagram Puzzles, Word Matches, and Cryptoquotes: Left and Right Brain Training Games ALA, Books
Relaxing Brain Games for Adults: 100+ Logic, Math, and Word Puzzles to Help You Unwind Callisto Publishing
Logic Puzzle Book for Adults Volume 1: 50 Easy to Hard Logic Grid Puzzles – The Real Brain Challenge Feline Puzzles, Press
The Ultimate Activity Book for Intelligent Men: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Adults (Perfect Gift for Men) IQ Street