Calcudoku Holiday Puzzles: 250 puzzles

By Patrick Min

Any holiday, the time is right for a Calcudoku Holiday Puzzle Book: 250 puzzles of all types and sizes: 50 easy, 150 medium, and 50 difficult puzzles, in sizes 4x4 up to 12x12 ( )with many variations, including puzzles from zero & "twin" puzzleslarge format, high quality paper, large type, plenty of space for notespuzzles are rated between 1 star (easy) and 5 stars (diffcult)Solving a Calcudoku (also known as Kenken, Mathdoku, Hitoshii, and several other names) takes not just logic reasoning (as in Sudoku), but also basic math skills, making it a much more interesting and satisfying puzzle.

Included are a description of the rules, explanations for the puzzle variations, and all solutions. You can even submit solutions for the difficult puzzles in this book at www.calcudoku.org, and score 10 points for each correct solution

• Format: Paperback
• Language: English
• ISBN: 1511774460
• ISBN13: 9781511774468
• Release Date: May 2015
• Publisher: Createspace Independent Publishing Platform
• Length: 274 Pages
• Weight: 0.97 lbs.
• Dimensions: 0.6" x 6.7" x 9.6"