Until August by Gabriel García Márquez, "the extraordinary lost novel from the Nobel Prize-winning author of
One Hundred Years of Solitude," is £0.99 at Kobo UK.
It's about 70 pages or 21,000 words long, according to Kobo. Apparently he wanted it destroyed, but as so often happens, those who survived him didn't destroy it.
https://www.kobo.com/gb/en/ebook/until-august-4