The Face of the Deep

First Pocket Books printing December, 1979 and a complete number line of 10 ...1 are on the copyright page Artist is not credited, but there is a truncated signature SS©79 on the art in the bottom right corner, with some portion obscured by the white rectangular line framing the cover. At most it would be one letter, so unknown who it might be. There is a map on page [6] that is not credited or signed.