One of Bath's principal industries is tourism, with more than one million staying visitors and 3.8 million day visitors to the city on an annual basis. The visitors come to this World Heritage Site mainly for the Roman Baths and to admire the city's Georgian elegance. The Naked Guide to Bath provides in-depth information for all the must-see sites, but is also a modern guide book for a modern city. The Naked Guide recommends the best places to eat, drink and shop and includes advice on children's activities, day trips and much more.