Most Popular Books
- Me against Sudoku: Very hard Sudoku with difficulty rating & solutions | 250 9x9 hardcore puzzles different & unique for advanced players - Vol 1
- Easier said than done Sudoku Puzzles: 300 Very Hard and unique puzzles with difficulty rating and solutions - Vol 1
- Really Tough Sudoku Puzzles: 100 different & unique very hard Sudoku puzzles with difficulty rating and solutions - Vol 1
- Extremely tough grind Sudoku: 150 different & unique very hard sudoku puzzles with solutions and difficulty rating - Vol 1
