Diagonal Sudoku 10x10 - Fácil ao Extremo - Volume 2 - 276 Jogos (Diagonal Sudoku, #2)
by Nick Snels
Creator of puzzles - Big Book Killer Sudoku 480 Hard Puzzles (Volume 4) (Big Book Killer Sudoku, #4)
by Veronika Localy
Sudoku X - 200 Hard to Master Puzzles 6x6 (Volume 18) (Sudoku X, #18)
by Dart Veider
Sudoku Mine - 200 Hard to Master Puzzles 9x9 (Volume 11) (Sudoku Mine, #11)
by Dart Veider
Sudoku by Husam for Kids Book 1 ( 180 Puzzles, 4x4 )
by Husam Network
Sudoku Jigsaw - 200 Easy to Master Puzzles 12x12 (Volume 30) (Jigsaw, #30)
by Dart Veider
Turn On The Logic Killer Sudoku - 200 Normal Puzzles 9x9 (Volume 7) (Killer Sudoku Puzzle Book, #7)
by Dina Smile
Sudoku 9 X 9 - 250 Next to Each Other - Hermit - Level Silver (9 X 9 Pitstop, #80)
by Andrii Pitenko
Sudoku 9 X 9 - 250 Skyscraper - Anti - Knight Puzzles - Level Silver
by Andrii Pitenko
Number-X - Windowdoku Sudoku - 250 Puzzles Bronze - Silver - Gold - Vol. 184
by Andrii Pitenko
Very Hard Difficulty Sudoku Puzzles Volume 6 (Very Hard Difficulty Sudoku Puzzles, #6)
by Simon Cross