A Gentleman of Leisure is a novel by P. G. Wodehouse. The basic plot first appeared in a novella, The Gem Collector, in the December 1909 issue of Ainslee's Magazine. It was substantially revised and expanded for publication as a book under the title The Intrusion of Jimmy, by , New York, on 11 May 1910. It was serialised under that title in the British weekly magazine Tit-Bits between 11 June and 10 September before being published as A Gentleman of Leisure by Alston Rivers Ltd, London, on 15 November 1910. There are minor textual differences between the American and British editions of the book.