- Put your problem-solving talents to the test with these 50 puzzles designed by a sudoku master for highly advanced enthusiasts.
- A mix of 9 x 9 and 16 x 16 square puzzles will challenge even the most skilled sudoku players.
- Solutions appear at the end of the book.
- Author: John Pazzelli.
- Softcover, 64 pages.
- Published Year: 2021.
- ISBN 9780486849102.
- Made in USA.
Manufacturer Warranty - USA Only