TALES OF KNOWN SPACE. New York: Ballantine Books, . Tall octavo, original blue wrappers, sheets secured in wrappers by metal clasp at top, publisher's printed paper affixed to front wrapper. Unpaged long galleys of the first edition. Brief signed inscription by Niven to one of his editors on the title label. Thirteen stories plus a Niven bibliography and chronology of the "Known Space" stories. See Anatomy of Wonder (1987) 4-390. Wrappers dusty, last leaf separated, frayed and chipped at bottom fold, but no text is affected (it concludes above the tear), a very good copy. A rare proof. (#110946).