The next instalment in the popular "Jumbo Sudoku" series, "Jumbo Sudoku Blowout" includes over 275 all-new puzzles. The popular numerical brainteaser is a fun way to work your brain, and Sudoku fans of all levels will love this collection."Jumbo Sudoku Blowout" includes classic Sudoku as well as Samurai, Kakuro, Killer, and 'Son of Sudoku' (Futoshiki puzzles). All of the puzzles are rated on a scale of gentle to fiendish and have additional tips to make solving easier.