Title: Sudoku: Puzzle Book for Adults and Teenagers, Author: Robert O. Brien
Title: Sudoku Medium Book for Adults Vol 1: Extra Large Print, Author: Robert O. Brien
Title: Sudoku Puzzle Book for Adults: Extra Large Print, Author: Robert O. Brien
Title: Sudoku Hard Book for Adults Vol 1: Extra Large Print, Author: Robert O. Brien
Title: Mixed Activity Puzzles for Adults Volume 2: Education resources by Bounce Learning Kids, Author: Christopher Morgan
Title: 600+ Large Print Sudoku Puzzles For Adults & Seniors With Solutions: Puzzles ranging from easy to hard to challenge your brain and keep it active, Author: Kelly Lynn Knight