Sudoku and Variants Super Challenge 200 Puzzles

Description

From the original publisher of daily Sudokus in the United States, USA TODAY, comes two hundred brand-new Sudoku puzzles and fun Sudoku puzzles and fun Sudoku variants, such as Sudoku X and Sudoku mini. With four levels of difficulty, an introductory how-to section, and a comprehensive answer key to check your solutions, these puzzles will test your skills and tickle your brain.