Twelve, which is publishing Christopher Hitchens's posthumous memoir Mortality in the fall, has announced a publication date for the anticipated title, as well as plans to release new editions of three out-of-print titles by the author, who succumbed to esophageal cancer on December 15. Twelve said that Mortality will hit shelves on September 4 and that, on April 10, it will release trade paperback and digital editions of The Missionary Position, No One Left to Die and The Trial of Henry Kissinger.

The deal for the backlist titles was done with agent Steve Wasserman at Kneerim & Williams, and Twelve took North American rights to the books. The release of the backlist titles is timed loosely to author's 63rd birthday, which would have been on April 13. Mortality will be expanded from Hitchens's Vanity Fair columns about fighting his disease.