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2025 Killer Sudoku: 365 Hard (9x9) Puzzles for Every Day of the Year

Best Seller #85

By Dr. Khalid Alzamili

Format
Paperback
ASIN
B0D29P41FR
ISBN
9798323413263
Difficulty
Hard
Audience
General
Puzzle Count
365
Language
English
Edition Year
2025
Large Print
No

About this Book

Take on a full year of Killer Sudoku with 365 hard 9x9 puzzles in this 2025 puzzle-a-day collection. Each challenge combines familiar Sudoku rules with numbered cages and sum constraints, requiring both arithmetic reasoning and careful deduction. With one hard puzzle for every day of the year, the book offers a sustained challenge for experienced Killer Sudoku solvers.