1000 Sudoku Puzzle Book Easy to Hard level Solving Sudoku is a lot of fun and very easy to learn. Have fun with this Sudoku book! You will find 1000 Puzzles to solve. There are plenty of puzzles to enjoy in this jumbo compilation, with 3 different levels of difficulty , which makes it suitable for intermediate and advanced sudoku players in love with this super addictive game: 300 Easy puzzles for intermediate players or as a warm up for experts 420 Intermediate puzzles for intermediate players or as a warm up for experts 280 Hard puzzles which will give your brain a real challenge Your brain will thank you!