Introducing a new idea in Sudoku, and it starts with travel: "Sudoku to Go " is a collection of three slim notepads, each the perfect size to stick in a pocket or bag, light enough that you wouldn't even know it's there but convenient enough to pull out and play anywhere on the train, the bus, plane, or in a restaurant while waiting for an order. Published in the same footprint as Nikoli's wildly successful "Original Sudoku" series the pads are bound...