At 21 feet, 9 3/4 inches long, this huge puzzle adds big excitement to the popular game. Composed of 167 regular-sized (9x9) puzzles. The difficulty level increases from left to right, resulting in endless fun for devoted solvers!
Frank Longo is a freelance puzzle creator. He was first published in 1993 and has written many sudoku books for Sterling, including Beyond Black Belt Sudoku, mental_floss Sudoku, and The Nastiest Sudoku Ever, as well as many crossword books.