Book excerpt: Each of the Frommer guides are packed with reliable, money-saving advice that travellers will find invaluable - whether they're travelling on a shoestring or staying at the Ritz. The detailed pre-trip planning information includes transportation advice, suggested itineraries and a calendar of special events. Exact prices, not vague price ranges, let readers carefully plan their daily budgets. or car - as well as information on British customs allowances, UK embassy locations and a currency chart that compares the British pound to the local currency is included.