Ace Books
Market dominance was not only how many books Ace published, but also the first novels of authors such as Philip K. Dick (Solar Lottery, 1955, D-103, bound with Leigh Brackett's The Big Jump); Gordon R. Dickson (Alien from Arcturus, 1956, D-139, bound with Nick Boddie Williams' The Atom Curtain), Samuel R. Delany (The Jewels of Aptor, 1962, F-173, bound with James White's Second Ending), Ursula K. Le Guin (Rocannon's World, 1966, G-574, bound with Avram Davidson's The Kar-Chee Reign), Roger Zelazny (This Immortal, 1966, F-393),