Happy Sudoku Birthday - 61: 160 Challenging Sudoku Puzzles
by Ken Mackenzie, Avril Mackenzie
A birthday-themed Sudoku puzzle book featuring 160 challenging puzzles for enthusiasts seeking engaging mental exercise.
About This Book
Happy Sudoku Birthday - 61 presents 160 challenging Sudoku puzzles in a birthday-themed format.
Created by Ken Mackenzie and Avril Mackenzie, this puzzle book offers a range of difficulty levels suitable for enthusiasts.
The collection is designed to provide hours of engaging mental exercise and entertainment.
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