The Mensa Approved Killer Sudoku Large Print Sudoku Edition (with over 240 Puzzles)

How fast can a genius, like you, solve this entire book of Sudoku puzzles? Sudoku is a brain game. It does not come with clues or trivia like a crossword puzzle does. It doesn't come with a complete set of numbers either. Rather, it comes with numbers that, if analyzed correctly, will tell you what the missing digits are. Are you up for the challenge?