26/11/2023
https://www.amazon.com/dp/0998300144
Our Medium to Hard Sudoku is available in two formats: full-sized (8.5" x 11") and portable (6" x 9"). Both are large print. The full-sized has 4 puzzles per page, and the portable has 2, with plenty of room for notes.
Serious Sudoku, 400 Medium To Hard Large Print Sudoku Puzzles, Volume 1