Paperback - English

Sudoku University: Grandmaster Vol. 1 (Classic Edition)

Authors: James Martin, Jenny Martin

Sudoku University: Grandmaster Vol. 1 (Classic Edition) is your final exam—an elite sudoku collection for those who have conquered every level and still want more. With four puzzles per page and 1,000 of the most difficult sudoku puzzles in a single 8.5x11 book, this edition is built for the bravest solvers.

If you’re searching for the hardest sudoku book with 1000 puzzles, this is the ultimate test of endurance and skill.