"Diary : A Novel" by Chuck Palahniuk is a psychological thriller that falls under the genres of lit-fic and humor. Published in 2004 as a first edition trade paperback, it features a modernist literary movement and spans 272 pages. The narrative follows the perspective of an unnamed protagonist, offering a unique and suspenseful story that is sure to captivate adult readers. With its compelling plot and witty writing style, this novel is a must-read for fans of Palahniuk's work.