This is a lot of 35 Science Fiction and Fantasy mass market paperback books.  All are used/read with varying degrees of wear.  Included:

Project Pope - Clifford D. Simak

A Door Into Ocean - Joan Slonczewski

Darkover Landfall; Hawkmistress! - Marion Zimmer Bradley

Song of the Saurials - Kate Novak & Jeff Grubb

Magnificent; Jack the Bodiless - Julian May

The Black Hole - Alan Dean Foster

Conqueror's Pride - Timothy Zahn

Blade Runner: Replicant Night - K.W. Jeter

Patton's Spaceship - John Barnes

Close Encounters of the Third Kind - Steven Spielberg

Citadel of Shadows - Mike Jefferies

Code of the Lifemaker - James P. Hogan

Rama Revealed - Arthur C. Clarke & Gentry Lee

Far-Seer - Robert J. Sawyer

Shadow of a Dark Queen - Raymond E Feist

The Difference Engine - William Gibson & Bruce Sterling

The Knight and Knave of Swords - Fritz Leiber

Dragonslayer; Freedom's Landing - Anne McCaffrey

Ishmael - Barbara Hambly

Sphere - Michael Crichton

Children of Dune; Dune Messiah - Frank Herbert

Nemesis; Prelude to Foundation; War - Isaac Asimov

Canticle, the Cleric Quintet book 1 - R. A. Salvatore

The Nimrod Hunt; Sight of Proteus - Charles Sheffield

Dark Sun: The Verdant Passage - Troy Denning

Adiamante - L. E. Modesitt, Jr

Sacred Ground - Mercedes Lackey

Ringworld - Larry Niven

Please feel free to email me with any questions.

Thanks for looking and good luck bidding!