With electronic books, you don't have to worry about shelf space and pests and calamities like fires and flooding. The Barnes and Noble Nook e-reader combines a library, store, and your own private bookshelf in one device.
There's an ongoing debate whether the Nook and its ilk would phase out real, physical books, but as the saying goes, that's like saying the escalator and the elevator would ever replace a staircase with its solid functionality and beauty. A Nook is simply convenient. So long as you have backup power, you have nothing to worry about with rainy days and running out of books. Bring as many as a thousand to your Barbados holiday without breaking your back and paying a fortune in luggage.