1,000++ Easy Medium Kakuro Puzzle Book: Best Puzzles on Top Quality Paper (The Massive Book of Kakuro)
1,000++ Easy Medium Sudoku Puzzles Book: Top Quality Paper and Best Sudoku Puzzles! (Sodoku Puzzle Books for Adults)
The Book of Number Searches – Very Large Print: Over 4,444 number sequences and over 44,444 digits to find. All new puzzles. (Number Searches Books)
Super Sudoku Quad Samurai: 80 Overlapping Sudoku Puzzles, 13 Sudoku Grids in Each Puzzle (Super Quad Samurai Sudoku Books)
World’s Hardest Killer Sudoku: Is Your IQ Good Enough To Solve These INSANE Puzzles? (World’s Hardest Killer Sudoku Books)
