121 books • 18 series
Suguru Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 13) (Suguru Puzzle Books, #13)
Suguru Puzzle Books - 400 Easy to Master Puzzles 7x7 (Volume 11) (Suguru Puzzle Books, #11)
Suguru Puzzle Books - 400 Easy to Master Puzzles 5x5 (Volume 9) (Suguru Puzzle Books, #9)
Suguru Puzzle Books - 400 Easy to Master Puzzles 6x6 (Volume 10) (Suguru Puzzle Books, #10)
Suguru Puzzle Books - 400 Easy to Master Puzzles 8x8 (Volume 12) (Suguru Puzzle Books, #12)
Calcudoku Plus Minus Puzzle Books - 400 Easy to Master Puzzles 6x6 (Volume 2) (Calcudoku Plus Minus Puzzle Books, #2)
Calcudoku Plus Minus Puzzle Books - 400 Easy to Master Puzzles 7x7 (Volume 3) (Calcudoku Plus Minus Puzzle Books, #3)
Calcudoku Plus Minus Puzzle Books - 400 Easy to Master Puzzles 5x5 (Volume 1) (Calcudoku Plus Minus Puzzle Books, #1)
Calcudoku Plus Minus Puzzle Books - 400 Easy to Master Puzzles 8x8 (Volume 4) (Calcudoku Plus Minus Puzzle Books, #4)
Calcudoku Plus Minus Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5) (Calcudoku Plus Minus Puzzle Books, #5)
Slitherlink Puzzle Books - 400 Easy to Master Puzzles 12x12 (Volume 8) (Slitherlink Puzzle Books, #8)
Slitherlink Puzzle Books - 400 Easy to Master Puzzles 11x11 (Volume 7) (Slitherlink Puzzle Books, #7)
Suguru Puzzle Books - 400 Easy to Master Puzzles 12x12 (Volume 8) (Suguru Puzzle Books, #8)
Calcudoku Plus Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5) (Calcudoku Plus Puzzle Books, #5)
Futoshiki Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5) (Futoshiki Puzzle Books, #5)
Slitherlink Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5) (Slitherlink Puzzle Books, #5)
Suguru Puzzle Books - 400 Easy to Master Puzzles 11x11 (Volume 7) (Suguru Puzzle Books, #7)
Skyscrapers Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 4) (Skyscrapers Puzzle Books, #4)
Slitherlink Puzzle Books - 400 Easy to Master Puzzles 10x10 (Volume 6) (Slitherlink Puzzle Books, #6)
Futoshiki Puzzle Books - 400 Easy to Master Puzzles 8x8 (Volume 4) (Futoshiki Puzzle Books, #4)
Skyscrapers Puzzle Books - 400 Easy to Master Puzzles 8x8 (Volume 3) (Skyscrapers Puzzle Books, #3)
Suguru Puzzle Books - 400 Easy to Master Puzzles 10x10 (Volume 6) (Suguru Puzzle Books, #6)