1.
1000 Cryptogram Puzzle Book: Decipher the Code, a World of Puzzles Across Diverse Themes
by Cs Puzzle Books
ISBN: 9781923176102
2.
Easy Kakuro Puzzle Book 200 Games: Pocket-sized Brain Teasers: Perfect for On-the-go Fun
by Cs Puzzle Books
ISBN: 9781923176072
3.
Kakuro Puzzle Book 200 Games Medium to Hard: Advanced Challenges: Mastering the Art of Kakur...
by Cs Puzzle Books
ISBN: 9781923176096
4.
Number Search Puzzle Book 250 Games: Seek and Find, a Numerical Adventure for Sharp Minds
by Cs Puzzle Books
ISBN: 9781923176089