A Brain Game Professor Peppermint’s Math Challenge: A holiday activity book that reimagines the matchstick puzzle tradition, featuring peppermint … (A Brain Game: Logic Puzzle Adventures) F. H., McLEOD
The Ultimate Activity Book for Intelligent Men: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Adults (Perfect Gift for Men) IQ Street
Brain Stimulating Books and Cognitive Exercises for Adults With Anagram Puzzles, Word Matches, and Cryptoquotes: Left and Right Brain Training Games ALA, Books
The Ultimate Logic Grid Puzzle Book for Adults, Volume 3: 100 Fun and Extra Challenging Puzzles for Advanced Solvers (Logic Puzzles – The Ultimate Collection) Unicorn Books