Variety Puzzle Book For Adults: Train your brain and enhance problem solving skills by solving logic puzzles like sudoku, word search and mazes! - Paperback
The Ultimate Logic Murder Mystery: 10,000 Suspects - 8 Clues - One Killer - A Whodunit Logic Murder Mystery Puzzle Book for Adults with Funny Armchair - Paperback
Fiendish Sudoku - Puzzle Book for Adults - Large Print - Devilish tasty!: Sudoku Book with One Puzzle Per Page - 101 Puzzles - Fiendish - Volume 6 - 5 - Paperback