The Ides of March is an epistolary novel by Thornton Wilder that was published in 1948. In the author's words, it is 'a fantasia on certain events and persons of the last days of the Roman republic. Historical reconstruction is not among the primary aims of this work'. The novel deals with the characters and events leading to, and culminating in, the assassination of Julius Caesar. No. 1 on The New York Times Fiction best seller list for 1 week, from the issue of April 4, 1948. Wiki link