Killer Sudoku Adventures: 500 Sum Sudoku puzzles for adults (easy to hard) - Paperback

Super Samurai Sudoku Puzzles: 13-Grid Sudoku Puzzles - Paperback

3D Sudoku Puzzles: Isometric Sudoku for Adults - Paperback

Overlapping Sudoku Puzzles Medium to Hard: 9 Different Multi-Sudoku Variants - Paperback

Super Samurai Sudoku 3: 13-Grid Sudoku Puzzles - Paperback

Nonogram Puzzles: Hanjie Logic Puzzles for Adults - Paperback

6 Different Jigsaw Sudoku Variants: irregular Sudoku puzzles for adults (easy to hard) - Paperback

Hashi Bridges Puzzles Mixed Grids: Large Bridges Puzzles for adults (solutions included) - Paperback

16x16 Diagonal Sudoku X: Hard Mega-Sudoku X Puzzles - Paperback

Nonogram Logic Puzzles: Hanjie Puzzles for Adults - Paperback

Jigsaw Sudoku Variants: 5 different types of irregular sudoku puzzles for adults (easy to hard) - Paperback

Samurai Sudoku Puzzles: Medium to Extremely Hard Samurai Sudoku Puzzles - Paperback

450 Sudoku Variants: Jigsaw-Sudoku, Sudoku-X, Windoku, Girandola-Sudoku, and Argyle-Sudoku Puzzles - Paperback

Japanese Logic Puzzles: Different types of logic puzzles (Sudoku, Futoshiki, Hashi, Nonogram and more!) - Paperback

Tridoku Puzzles: Triangular-Sudoku Puzzles for adults and seniors - Paperback

Diagonal Samurai Sudoku X: 100+ overlapping diagonal Sudoku X puzzles - Paperback

Hashi Bridges Puzzles Small to Huge: Bridges and Islands Puzzles - Paperback

100+ Overlapping Sudoku Puzzles: 9 Different Sudoku Variants from Easy to Hard - Paperback

Slitherlink Puzzles Large Grid: Logic Puzzles for adults (medium to hard) - Paperback