Allen Appel:Sea of Time (1988), unpublished novel in the published Alex Balfour Pastmaster series
L. Frank Baum:Our Married Life (1912),Johnson (1912),The Mystery of Bonita (1914) andMolly Oodle (1915). Reported in Katherine Rogers'L. Frank Baum: Creator of Oz andMichael Patrick Hearn'sThe Annotated Wizard of Oz. According to Hearn, although not a published statement,The Mystery of Bonita is mentioned in contracts related toThe Oz Film Manufacturing Company. The others are noted on file folders that once contained them and correspondence recovered from theReilly & Lee offices, but the manuscripts themselves remain lost. The books were intended for adult readers and correspondence for the first of these,Our Married Life, indicates that, unlike his four published adult novels, he did not want these books to appear under a pseudonym.Frank Joslyn Baum's biography of L. Frank,To Please a Child, claims thatMaud Gage Baum burned Baum's unpublished manuscripts; however, it is known that much of this biography was falsified after Frank J. and Maud's falling out (including Frank J. being dropped from Maud's will) over the rights to the Oz books.
John Cheever:The Swimmer, after writing 150 pages of this novel, Cheever reduced it to a 12-page short story
Michael Cimino:Byzantium, a novel divided into three volumes; "Sailing to Byzantium", "Night's Islands" and "Ghost Dancer"[4][5]
Joan Collins:The Ruling Passion andHell Hath No Fury, both in a legal battle withRandom House which Collins won in 1996
Henry Darger:In the Realms of the Unreal (totaling more than 15,000 pages) andCrazy House: Further Adventures in Chicago (totaling more than 10,000 pages). HisHistory of My Life (began as nonfiction) totals more than 4600 pages.
Samuel R. Delany:Voyage, Orestes!, massive earlymimetic fiction novel, both manuscript copies lost; a small excerpt was found and published in 2019
Chuck Palahniuk:Insomnia: If You Lived Here, You'd Be Home Already
Frederik Pohl:For Some We Loved (1944), about New York advertising agencies; burned by author, who described it as "a long, complicated, and very bad novel"
J.D. Salinger: He continued writing through the last half-century of his long life, while he lived as arecluse. This consists of as one or two unpublished novels and possibly more than fifteen.
Artie Shaw:The Education of Albie Snow, a semi-autobiographical 1000-page, three-volume work
V. T. Hamlin:The Man Who Walked with Dinosaurs (autobiography) andFour Rivers (fishing memoir)
JP Miller:A Ship Without a Shore, memoir of Miller'sWWII experiences aboard the aircraft carrierUSS Cabot
Fulton Oursler: autobiography in progress at the time of his death
Theodore Roosevelt:The Winning of the West: Roosevelt's series was originally meant to be at least six books. Due to the death of his first wife, Roosevelt edited the series to conclude at four volumes.
Kay Sage:China Eggs, a memoir of 1910–35, covering her family, childhood, travels, painting, life inItaly, her marriage to Prince Ranieri di San Faustino and her friendship withEzra Pound.[9]
Yvette Vickers: autobiography in progress at the time of her death
