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
1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults. Nova, Publishing XR
Logic Puzzle Book for Adults Volume 1: 50 Easy to Hard Logic Grid Puzzles – The Real Brain Challenge Feline Puzzles, Press