"The Papers of George Washington. The Presidential Series, September 1788–March 1797" is an ongoing series of books that covers Washington's time served as the fledgling country's first President. The set includes papers written by the President as well as material presented to him during his presidency, and papers from his personal, social and business life. The volumes have been edited by W. W. Abbot, Dorothy Twohig, Philander D. Chase, Theodore J. Crackel and Edward G. Lengel, and is currently number 18, the first of which was released in 1987.