This is Penguin's second bumper volume of Sudoku puzzles, the world's current favourite numbers game. With 200 brand-new classic puzzles star rated from gentle to hot to brain-melting, and another 150 different kinds of Sudoku, large and small, there's enough to tempt the most puzzle-jaded palate. Penguin Holiday Sudoku is the ideal travelling companion for the hardened Sudoku fan and naive novice alike - perfect for passing time in the airport or on the beach. Don't leave home without it.