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),