174 books • 17 series
Creator of puzzles - Calcudoku 240 Easy (Volume 1) (Creator of Puzzles - Calcudoku, #1)
Creator of puzzles - Calcudoku 240 Easy (Volume 2) (Creator of Puzzles - Calcudoku, #2)
Creator of puzzles - Straights 240 Easy Puzzles 7x7 (Volume 1) (Creator of Puzzles - Straights, #1)
Creator of puzzles - Straights 240 Hard Puzzles 7x7 (Volume 3) (Creator of Puzzles - Straights, #3)
Creator of puzzles - Straights 240 Normal Puzzles 7x7 (Volume 2) (Creator of Puzzles - Straights, #2)
Creator of puzzles - Straights 240 Expert Puzzles 9x9 (Volume 12) (Creator of Puzzles - Straights, #12)
Creator of puzzles - Straights 240 Easy Puzzles 9x9 (Volume 9) (Creator of Puzzles - Straights, #9)
Creator of puzzles - Straights 240 Hard Puzzles 9x9 (Volume 11) (Creator of Puzzles - Straights, #11)
Creator of puzzles - Straights 240 Expert Puzzles 7x7 (Volume 4) (Creator of Puzzles - Straights, #4)
Creator of puzzles - Straights 240 Normal Puzzles 9x9 (Volume 10) (Creator of Puzzles - Straights, #10)
Creator of puzzles - Straights 240 Easy Puzzles 8x8 (Volume 5) (Creator of Puzzles - Straights, #5)
Creator of puzzles - Straights 240 Expert Puzzles 8x8 (Volume 8) (Creator of Puzzles - Straights, #8)
Creator of puzzles - Straights 240 Normal Puzzles 8x8 (Volume 6) (Creator of Puzzles - Straights, #6)