Paperback - English

Sudoku University: Grandmaster Vol. 1 (Travel Edition)

Authors: James Martin, Jenny Martin

Sudoku University: Grandmaster Vol. 1 (Travel Edition) is not for the faint of heart. This is your final exam, your greatest puzzle gauntlet—crafted for elite solvers who have conquered every level and still want more. Inside this portable 5x8 edition are over 300 of the most difficult Sudoku puzzles you'll ever face.