Original: The Picture of Dorian Gray is the only published novel by Oscar Wilde, appearing as the lead story in Lippincott's Monthly Magazine on 20 June 1890, printed as the July 1890 issue of this magazine.
Simplified: The Picture of Dorian Gray is the only published book written by Oscar Wilde. It was first published in Lippincott's Monthly Magazine on June 20, 1890.