Stars & Stripes Sudoku - Matt Mayfield - Bog

Are you ready to declare your independence from ordinary 9 x 9 Sudoku? In Stars & Stripes Sudoku, each 12 x 12 grid has the familiar 1 - 9's, but also has three stars in each row, box and column. The 100 puzzles in this book range from easy warm-ups to ruthlessly difficult challenges and are sure to delight any puzzle solver. We've also included eleven bonus Sudoku puzzles - six Sudoku Island puzzles and five Trividoku trivia Sudokus.