The Ultimate Sudoku Training Books for Adults 200+ Sudoku On The Go Puzzles - Paperback

by Speedy Publishing (Author)

Adults love Sudoku because it represents their "alone time." You see, you can't play Sudoku when you're with a crowd. You also can't play Sudoku when you're in a pub. You need to have a quiet place to focus and come up with a working strategy that you can use. So, how about a Sudoku?