The Chill Challenge Sudoku Coloring Book for the Young Adult A Puzzle Book for the Whole Year

Sudoku is a puzzle that exercises your brain by getting you to think logically. How will you place numbers in boxes? What numbers will you place in which box? The point of the game is not to repeat the any numbers, which means that your level of number mastery must be strong. It can get challenging sometimes but overall, the game is pretty rewarding. Grab a copy now.