The first in a new series: hard puzzles for serious sudoku solvers.
Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp!
Features:
- 200 hard puzzles
- Big grids for easy solving
- Introduction by legendary Puzzlemaster Will Shortz
- Paperback: 320 pages
- Publisher: St. Martin's Griffin (February 13, 2018)
- ISBN-13: 978-1250161024