Comprises: Threads of Time (with Clifford Simak & Norman Spinrad). Sgd. by Benford. Book Club. [1974]. * Jupiter Project. Sgd. [1975]. * If the Stars are Gods (with Gordon Eklund). Sgd. [1977]. * In the Ocean of Night. 2 copies: 1st (sgd.) & book club. [1977]. * The Stars in Shroud. Sgd. With review slip, laid in. [1978]. * Timescape. Sgd. [1980]. * Against Infinity. Sgd. Remainder stamp. [1983]. * Across the Sea of Suns. 2 copies: 1st (sgd., remainder stamp) & Advance Uncorrected Proofs (wraps). [1984]. * Artifact. Sgd. [1985]. * Heart of the Comet (with David Brin). Sgd. by both authors. [1986]. * In Alien Flesh. Sgd. [1986]. * Great Sky River. 3 sgd. copies: 1st & two Uncorrected Proofs (wraps). [1987]. * Tides of Light. 3 copies: two 1sts (one sgd.) & Uncorrected Proof (wraps). [1989]. * Furious Gulf. 2 sgd. copies: 1st & Uncorrected Proofs (wraps). [1994]. * Sailing Bright Eternity. 3 copies: 1st sgd. & 2 Advanced Reading Copies (1 sgd.), wraps. [1995]. * Far Futures. 2 copies (1 sgd.). [1995]. * Matter’s End. 1st U.K. [1996]. * Foundation’s Fear (Second in series, continuing from Isaac Asimov). Sgd. [1997]. * Cosm. 2 copies: 1st (sgd) & Uncorrected Proof (wraps). [1998]. * Deep Time. Sgd. [1999]. * The Martian Race. 2 copies: 1st & Advance Reading Copy (wraps). [1999]. * Eater. [2000]. * Worlds Vast and Various. 1st trade paper. Wraps. [2000]. * The Sunborn. [2005]. * Plus 7 others in wrappers (4 paperbacks 1st’s, 1979-86 & 3 different Galaxy pulps with Benford appearances, each 1978). Together, 43 volumes. Mostly cloth and/or boards in jackets; 17 are in wrappers (1 with jacket). First U.S. Editions or first printings (2 book clubs).

23 signed and/or inscribed by the author.