Diagonal Sudoku Puzzle Book: 30 Hard 9×9 Puzzles with Advanced Solving Strategies, Answer Key & Progress Tracker

Take your Sudoku skills to the next level with this Hard Diagonal Sudoku Puzzle Book. Designed for experienced puzzle solvers, this book includes 30 challenging 9×9 diagonal Sudoku puzzles to test your logic, concentration and problem-solving abilities.

Unlike traditional Sudoku, diagonal Sudoku also requires you to consider the two main diagonals, making every puzzle more challenging and rewarding.