215 books • 12 series
400 Variety Sudoku Puzzle Book 4 (Volume, #4)
400 Variety Sudoku Puzzle Book 11 (Volume, #11)
400 Variety Sudoku Puzzle Book 5 (Volume, #5)
250 Hard Jigsaw Sudoku 9x9 (Book, #13)
250 Easy to Medium Jigsaw Sudoku 8x8 (Book, #9)
250 Medium to Hard Jigsaw Sudoku 8x8 (Book, #10)
250 Easy Jigsaw Sudoku 9x9 (Book, #11)
250 Medium Jigsaw Sudoku 9x9 (Book, #12)
250 Medium Jigsaw Sudoku 8x8 (Book, #7)
250 Hard Jigsaw Sudoku 8x8 (Book, #8)
250 Easy Jigsaw Sudoku 8x8 (Book, #6)
250 Easy to Medium Jigsaw Sudoku 9x9 (Book, #14)
250 Medium Jigsaw Sudoku 6x6 (Book, #2)
250 Easy to Medium Jigsaw Sudoku 6x6 (Book, #4)
250 Hard Jigsaw Sudoku 6x6 (Book, #3)
250 Medium to Hard Jigsaw Sudoku 6x6 (Book, #5)
250 Medium to Hard Jigsaw Sudoku 9x9 (Book, #15)
250 Easy Jigsaw Sudoku 6x6 (Book, #1)
250 Hashiwokakero 7x7 Puzzles (Book, #6)
250 Hashiwokakero 8x8 Puzzles (Book, #9)
250 Hashiwokakero 9x9 Puzzles (Book, #14)
250 Hashiwokakero 6x6 Puzzles (Book, #1)
250 Easy to Medium Killer Sudoku 8x8 (Book, #9)
250 Medium to Hard Killer Sudoku 9x9 (Book, #15)