The film rights to Jonathan Lethem's early novel, Gun, with Occasional Music (Mariner Books, $14, 9780156028974/0156028972), which "has drawn interest from film players for more than a decade," have been optioned by Gabe and Alan Polsky, according to the Hollywood Reporter, which added that the "Polsky brothers also have adaptations of John Williams' Butcher's Crossing and Christopher Buckley's God Is My Broker in development."