The Mail on Sunday: Book of Super Sudoku Puzzles 7

A new compilation of brainteasers from the ever-popular Mail on Sunday archives. Super sudoku puzzles up the ante of the perennially popular sudoku format with a massive 16 3×4 grids in each puzzle, for the ultimate sudoku challenge. Whether at home, on your daily commute, or in any other spare moments through the day, become master of the numbers 1-12 with this perfect book for sudoku fans.