The New Shortlist: BlackBook asked two very different, very established writers—London bad boy Sebastian Horsley and New York literary royalty Jay McInerney—to crack spines. HERE, they nominate the best new voices in American fiction.

Once a promising keyboardist for bands like the Brian Jonestown Massacre, writer Tony O’Neill fell into a black hole of heroin and crack addiction. Now, with his new novel Down and Out on Murder Mile (HarperCollins) -- a tragic but hilarious redemption story about two addicts who move from Los Angeles to London’s corrupt “murder mile” -- the Brooklyn-based scribe embraces his second chance and revisits the demons of his drug-fueled past.