The Longest Cocktail Party: An Insider's Diary of the Beatles, Their Million-dollar Apple Empire and Its Wild Rise and Fall (ISBN 1-84195-602-3) is a rock history book by Richard DiLello, published in 1973 by Playboy Press, and reprinted in 1981 and 2005. The Longest Cocktail Party is one man's account of the history of the Beatles' company Apple Corps, the break-up of the Beatles, and the beginning of their solo careers.