Sudden Death Sudoku: A Katie McDonald Mystery (Katie Mcdonald Mysteries) - Kindle edition by Freydont, Shelley. Mystery, Thriller & Suspense Kindle eBooks @ Amazon.com.
Sudoku Solving Techniques
Sudoku Solving Techniques
1000 Sudoku Puzzles: 1000+ Easy Medium & Hard Sudoku With Over 1000 Puzzles For Adults (Sudoku Books For Adults 1000+ Puzzles And Solutions) Vol1: Jones, Christiana: 9798770540772: Amazon.com: Books