Sam the Sudden is a novel by P. G. Wodehouse, first published in the United Kingdom on 15 October 1925 by Methuen, London, and in the United States on 6 November 1925 by George H. Doran, New York, under the title Sam in the Suburbs. The cast includes the recurring character Lord Tilbury, publishing magnate and founder of the Mammoth Publishing Company, who had appeared in Wodehouse's novel, Bill the Conqueror, and who would later visit Blandings Castle in Heavy Weather. It also introduced the criminals Alexander "Chimp" Twist, Dora "Dolly" Molloy and Thomas "Soapy" Molloy, who reappeared in Money for Nothing, Money in the Bank, and Pearls, Girls and Monty Bodkin.