Insomnia (novel) Author Cover artist Country Genre Publisher Publication date Pages Previous Next Insomnia is the 34th book published by Stephen King; it was his 28th novel, and the 23rd written under his own name. The book was released by Viking in September 15, 1994, and is related to King's Dark Tower series. Like Rose Madder, the novel draws heavily from Greek mythology for its metaphysical elements. It is set in the town of Derry, Maine.