Ace Books published its N series from 1965 to 1968, priced at 95 cents. N-1 NA UPI editors Retrospect 1964: Summaries and Captions From Special U.P.I Dispatches (1965) N-2 NA UPI editors Retrospect 1965: U.P.I. Pictorial History of 1964 (1966) N-3 SF Frank Herbert Dune (1965) N-4 NA Isaac Asimov Is Anyone There? (1966) N-6 NA Richard A. Lupoff Edgar Rice Burroughs: Master Of Adventure (1968) N series, titles in