Krazy Carrot
Senior Sudoku With Over 200 Puzzles: Large Type - Especially for Seniors - With Answers - Very Easy, Easy and Medium - Volume 3 (Senior Sudoku with ... Ranging from Very Easy to Extreme - Large)
Sudoku With Over 500 Puzzles: Sudoku with Answers at the Back – Hard, Very Hard and Extreme Levels – For Adults - Volume 2 (Sudoku with Over 500 ... from Very Easy to Extreme - 6 Volumes)