From Nikoli, the Japanese company that invented the game, this bestselling calendar features puzzles that are exceptional for their elegance and perfect balance of toughness and solvability.
Not generated by computer but thoughtfully crafted by hand, each day's challenge is like a one-on-one match with its expert creator.
THE ORIGINAL SUDOKUcalendar features two easier puzzles each weekend. with increasing difficulty over the course of the week. In case you find yourself hopelessly stumped, solutions are printed on the reverse side of each page.
Introducing new eco-friendly cardboard backer and larger page size! Printed on FSC-certified paper. Author: Workman Calendars
Number of pages:320 Publication date: July 07, 2020 ISBN: 9781523508877 138 x 139 x 33.02mm | 539.77g