Super Sudoku. Over 300 Puzzles; Arcturus, 2021

Sudokus are extremely satisfying and enjoyable number-placement puzzles that give our brains a great workout. This brilliant collection includes over 300 puzzles is graded by level of difficulty from beginner to the experienced solver.

- Improve your solving skill: Each puzzle is graded, from beginner to expert, so you can enjoy the satisfaction of seeing your skill improve as you work through the levels.

- Exercise your brain: Give your mind a great workout as you find where each missing number fits.

- Reduce stress: Feel your stress melt away as you focus on these satisfying puzzles.