Extreme Sudoku · Puzzles by M. J. Bailey
Extreme Sudoku 1
150 puzzles. Expert and beyond.
Classic 9×9 sudoku with the warm-up taken out. Every grid sits at the top of the expert range or beyond it, and the book ramps from hard to brutal.
- 150 puzzles, one per page, large clear grids
- Only our hardest levels, getting harder as you go
- Exactly one solution each, reachable by logic alone. No guessing needed
- Every solution has a QR code to an animated step-by-step walkthrough
Every solution has a QR code to its own step-by-step walkthrough. See a sample.