| year of publication | ISBN | author(s) | title |
| 1991 | 978-0-441-77564-4 | Patricia A. McKillip | The Sorceress and the Cygnet |
| 1986 | 978-0-441-77581-1 | C. J. Cherryh · Janet Morris | Soul of the City: Thieves' World, Book 8. |
| 1987 | 978-0-441-77690-0 | Frank Herbert | Soul Catcher |
| 1980 | 978-0-441-77760-0 | Gordon Eklund | Space Pirates (Lord Tedric No. 2) |
| 1979 | 978-0-441-77765-5 | Gordon R. Dickson | The Space Swimmers |
| 1983 | 978-0-441-77784-6 | H. Beam Piper | Space Viking |
| 1982 | 978-0-441-77793-8 | Harlan Ellison | Spider Kiss |
| 1979 | 978-0-441-77802-7 | Gordon R. Dickson | The Spirit of Dorsai |
| 1988 | 978-0-441-77810-2 | Colin Wilson | Spider World:desert (Spider World, Book 1) |
| 1986 | 978-0-441-77912-3 | Harry Harrison | Stainless Steel Reven (Stainless Steel Rat Books) |
| 1987 | 978-0-441-77913-0 | Harry Harrison | Stainless Steel Rat Saves the World (Stainless Steel Rat Books) |
| 1986 | 978-0-441-77924-6 | '' | Stainless Steel Rat (Stainless Steel Rat Books) |
| 1978 | 978-0-441-78275-8 | Joseph Green | Star probe |
| 1987 | 978-0-441-78358-8 | Robert A. Heinlein | Starship Troopers |
| 1983 | 978-0-441-78435-6 | Andre Norton | The Stars Are Ours |
| 1979 | 978-0-441-78475-2 | Norman Spinrad | The Star Spangled Future |
| 1993 | 978-0-441-78565-0 | John Varley | Steel Beach |
| 1985 | 978-0-441-78713-5 | various | Storm Season (Thieves World, Book 4) |
| 1987 | 978-0-441-78754-8 | Michael Moorcock | Storm Bringer 6 (Elric) (Book 6) |
| 1991 | 978-0-441-78838-5 | Robert A. Heinlein | Stranger in a Strange Land |
| 1987 | 978-0-441-79034-0 | '' | Stranger in a Strange Land |
| 1989 | 978-0-441-79055-5 | Tim Powers | The Stress of Her Regard |
| 1983 | 978-0-441-79068-5 | Steven Barnes | Streetlethal |
| 1989 | 978-0-441-79092-0 | Michael Kurland | Study In Sorcery (Randall Garrett's Lord Darcy) |
| 1986 | 978-0-441-79279-5 | Robert Howard | Sword Woman |
| '' | 978-0-441-79534-5 | Gregory Frost | Tain |
| 1989 | 978-0-441-79553-6 | Jack McDevitt | Talent for War |
| 1980 | 978-0-441-79742-4 | Robert Asprin | Tambu |
| 1993 | 978-0-441-79974-9 | Jody Lynn Nye | Taylor's Ark |
| 1987 | 978-0-441-79977-0 | Steven Brust | Teckla |
| 1993 | 978-0-441-80012-4 | William Shatner | Tek Vengeance |
| 1988 | 978-0-441-80057-5 | Michael Kurland | Ten Little Wizards |
| 1979 | 978-0-441-80176-3 | Robert Sheckley | The 10th Victim |
| 1988 | 978-0-441-80263-0 | H.G. Wells | The Time Machine |
| 1984 | 978-0-441-80557-0 | Howard Waldrop | Them Bones |
| 1985 | 978-0-441-80567-9 | Joe Haldeman · Jack C. Haldeman II | There Is No Darkness |
| '' | 978-0-441-80586-0 | Robert Asprin | Shadows of Sanctuary (Thieves World #3) |
| '' | 978-0-441-80587-7 | Robert Asprin · Lynn Abbey | Face Of Chaos (Thieves World, No 5) |
| 1986 | 978-0-441-80590-7 | Robert Lynn Asprin · Lynn Abbey | Tales From the Vulgar Unicorn (Thieves' World, Book 2) |
| 1987 | 978-0-441-80591-4 | Robert Asprin | Thieves' World (Thieves' World #1) |
| 1986 | 978-0-441-80595-2 | Robert Lynn Asprin · Lynn Abbey | Blood Ties: Thieves' World, Book 9 |
| '' | 978-0-441-80596-9 | various | Wings of Omen (Thieves' World, Book 6) |
| 1987 | 978-0-441-80597-6 | Robert Lynn Asprin · Lynn Abbey | Aftermath: Thieves' World, Book 10 |
| 1987 | 978-0-441-80598-3 | Robert Asprin | Blood Ties (Thieves' World, No 9) |
| '' | 978-0-441-80601-0 | '' | Shadows Of Sanctuary |
| 1988 | 978-0-441-80610-2 | Robert Asprin · Lynn Abbey | Uneasy Alliance (Thieves World, Bk 11) |
| 1989 | 978-0-441-80612-6 | '' | Stealers' Sky (Thieves' World 12) |
| 1986 | 978-0-441-80808-3 | Andre Norton | Three Against the Witch World (Witch World #4) |
| 1984 | 978-0-441-80839-7 | Patricia A. McKillip | The Throme of the Erril of Sherill |
| 1993 | 978-0-441-80928-8 | Simon Lang | Timeslide (Einai) |
| 1989 | 978-0-441-80935-6 | Gardner Dozois | Time Travelers |
| 1983 | 978-0-441-81003-1 | Clifford D. Simak | Time And Again |
| 1987 | 978-0-441-81076-5 | Robert A. Heinlein | Time Enough for Love |
| '' | 978-0-441-81304-9 | John Varley | Titan (Gaea) |
| 1984 | 978-0-441-81653-8 | Jessica Salmonson | Tomoe Gozen |
| 1983 | 978-0-441-81698-9 | Randall Garrett | Too Many Magicians |
| 1992 | 978-0-441-82184-6 | Robert A. Heinlein | Tramp Royale |
| 1980 | 978-0-441-82245-4 | Robert E. Howard | Conan: The Treasure of Tranicos |
| 1986 | 978-0-441-82346-8 | Andre Norton | Trey of Swords (Witch World) |
| 1977 | 978-0-441-82412-0 | Fred L. Worth | The Trivia Encyclopedia |
| 1992 | 978-0-441-82576-9 | Simon Lang | Trumpets Of Tagan |
| 1994 | 978-0-441-83344-3 | Thomas K. Martin | Two-edged Sword |
| 1987 | 978-0-441-83816-5 | Paula Volsky | Luck Of Relian Kru |
| 1983 | 978-0-441-84292-6 | H. Beam Piper | Uller Uprising |
| 1988 | 978-0-441-84325-1 | Pamela O'Neill · Kim Mohan | The Ultimate Prize (Cyborg Commando, No 3) |
| 1990 | 978-0-441-84563-7 | Piers Anthony | Unicorn Point (Apprentice Adept) |
| 1992 | 978-0-441-84564-4 | Jack Dann · Gardner Dozois | Unicorns 2 (Magic Tales Anthology Series) |
| 1984 | 978-0-441-84577-4 | James Schmitz | Universe against Her (Telzey Amberdon) |
| 1990 | 978-0-441-84776-1 | P. N. Elrod | Life Blood (Vampire Files, No. 2) |
| 1986 | 978-0-441-84800-3 | John Morressy | Voice for Princess |
| '' | 978-0-441-84826-3 | Christopher Stasheff | The Warlock Is Missing |
| 1989 | 978-0-441-85549-0 | Lillian Stewart Carl | Wings Of Power |
| 1991 | 978-0-441-85945-0 | P. N. Elrod | Art in the Blood (Vampire Files, No. 4) |
| 1991 | 978-0-441-85946-7 | P. N. Elrod | Fire in the Blood (Vampire Files, No. 5) |
| 1992 | 978-0-441-85947-4 | '' | Blood on the Water (Vampire Files, No. 6) |
| 1987 | 978-0-441-86039-5 | Michael Moorcock | Vanishing Tower 4 |
| 1984 | 978-0-441-86071-5 | Jack C. Haldeman II | Vector Analysis |
| 1979 | 978-0-441-86170-5 | Bob Shaw | Vertigo |
| 1983 | 978-0-441-86495-9 | L. Sprague De Camp | Virgin of Zesh dual |
| 1991 | 978-0-441-86503-1 | Piers Anthony | Virtual Mode |
| 1984 | 978-0-441-86611-3 | Andre Norton | Voorloper |
| 1987 | 978-0-441-87046-2 | Guy Gavriel Kay | The Wandering Fire (The Fionavar Tapestry, Book 2) |
| '' | 978-0-441-87073-8 | Emma Bull | War for the Oaks |
| 1993 | 978-0-441-87140-7 | Jim Aikin | Wall At Edge Of World |
| 1959 | 978-0-441-87183-4 | A. E. Van Vogt | The war against the Rull |
| 1987 | 978-0-441-87187-2 | Gayle Rivers | The War Against the Terrorists: How to Win It |
| '' | 978-0-441-87286-2 | Christopher Stasheff | Warlock Heretical |
| 1990 | 978-0-441-87313-5 | '' | Warlock Rock |
| 1991 | 978-0-441-87314-2 | '' | Warlock And Son |
| 1981 | 978-0-441-87333-3 | Richard McEnroe | Warriors Blood |
| '' | 978-0-441-87338-8 | Richard McEnroe | Warriors World |
| 1985 | 978-0-441-87340-1 | Christopher Stasheff | The Warlock Enraged |
| 1988 | 978-0-441-87341-8 | '' | Warlock's Companion |
| 1986 | 978-0-441-87361-6 | Christopher Stasheff | The Warlock Wandering (Warlock, Bk. 6) |
| 1989 | 978-0-441-87364-7 | '' | Warlock Insane |
| 1982 | 978-0-441-87379-1 | Connie Willis · Cynthia Felice | Water Witch |
| 1983 | 978-0-441-87718-8 | Harlan Ellison | Web Of The City |
| 1987 | 978-0-441-88081-2 | Jack L. Chalker | When the Changewinds Blow (Changewinds, Bk. 1) |
| 1978 | 978-0-441-88101-7 | John Jakes | When the Star Kings Die |
| 1979 | 978-0-441-88575-6 | Bob Shaw | Who Goes Here |
| 1991 | 978-0-441-88591-6 | Tom Holt | Who's Afraid of Beowulf? |
| 1988 | 978-0-441-88805-4 | Michael Moorcock | The Weird of the White Wolf - (Book 3 of the Elric Saga) |
| 1979 | 978-0-441-88975-4 | William Shatner · Sondra Marshak · Myrna Culbreath | Shatner: Where No Man ... |
| 1984 | 978-0-441-89248-8 | Megan Lindholm | The Windsingers |
| 1970 | 978-0-441-89253-2 | Marion Zimmer Bradley | Winds of Darkover |
| 1982 | 978-0-441-89255-6 | Marion Zimmer Bradley | The Winds of Darkover |
| 1986 | 978-0-441-89443-7 | Lillian Stewart Carl | Winter King |
| '' | 978-0-441-89467-3 | Megan Lindholm · Robin Hobb | Wizard of the Pigeons |
| 1987 | 978-0-441-90067-1 | John Varley | Wizard (Gaea) |
| 1993 | 978-0-441-90872-1 | R. A. Salvatore | The Woods out Back (Spearwielder's Tale) |
| 1983 | 978-0-441-91052-6 | H. Beam Piper · John J. McGuire | The Worlds of H. Beam Piper |
| 1988 | 978-0-441-91178-3 | Marion Zimmer Bradley | World Wreckers |
| 1987 | 978-0-441-91771-6 | Robert Howard | Worms Of The Earth |
| 1983 | 978-0-441-91810-2 | Orson Scott Card | Worthing Chronicle |
| 1986 | 978-0-441-94000-4 | Charles de Lint | Yarrow |
| 1970 | 978-0-441-94201-5 | Wilson Tucker | The Year of the Quiet Sun |
| 1969 | 978-0-441-94350-0 | Rex Gordon | The Yellow Faction (Ace Science Fiction, 94350) |
| 1987 | 978-0-441-94460-6 | Steven Brust | Yendi |
| 1988 | 978-0-441-94978-6 | Harry Harrison | You Can Be The Stainless Steel Rat |
| 1978 | 978-0-441-95490-2 | Andre Norton | Zarsthor's Bane (Witch World #11) |