
Against a Dark Background is a science fiction novel by Scottish writer Iain M. Banks, first published in 1993. It was his first science fiction novel not to feature, or be set in, the Culture.

The Armageddon Inheritance is a science fiction novel by American writer David Weber, formed by two books containing a total of 27 chapters. It is the second book in his Dahak trilogy. Thematically, it forms a duology with Mutineers' Moon; the latter dealt with the suppression of Anu's mutiny as part of the groundwork for repelling the Achuultani assault, whilst Heirs of Empire is more of a stand-alone bildungsroman work concerning survival on a remote planet. In 2003, it was republished in the omnibus volume Empire from the Ashes.

Assemblers of Infinity is a science-fiction novel by American writers Kevin J. Anderson and Doug Beason. It first appeared in print in serialized form in the American magazine Analog Science Fiction and Fact from September to December 1992 and was published in 1993 by Bantam Spectra. In 1994 it was nominated for the Nebula Award for best science fiction novel: this was the only Nebula nomination that both Anderson and Beason ever had. It was also placed 25th SF Novel in the 1994 Locus Award. The book is currently out of print, but is still available as e-book.

Aztec Century is a science fiction novel by British writer Christopher Evans. In 1994, Aztec Century won the BSFA Award for Best Novel.

Beggars in Spain is a 1993 science fiction novel by American writer Nancy Kress. It was originally published as a novella with the same title in Isaac Asimov's Science Fiction Magazine and as a limited edition paperback by Axolotl Press in 1991. Kress expanded it, adding three additional parts to the novel, and eventually two sequels, Beggars and Choosers (1994) and Beggars Ride (1996). It is held to be an important work, and is often hailed for its predictions of emerging technologies and society.

Birthright is a novel by Nigel Robinson from the Virgin New Adventures. The New Adventures were a spin-off from the long-running British science fiction television series Doctor Who. Although part of the main run of New Adventures featuring the Seventh Doctor, the Doctor only appears in the beginning and end of the novel; most of the story involves his companions Bernice Summerfield and Ace. The events in this book occur simultaneously to those in the New Adventure Iceberg, which was written by former Doctor Who actor David Banks. A prelude to this novel was published in Doctor Who Magazine #203, penned by the author.

Blood Heat is an original novel written by Jim Mortimore and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Mortimore, appeared in Doctor Who Magazine #205. This novel is the first novel in the "Alternate Universe cycle" which continues until No Future.

Camelot 30K is a hard science fiction novel written by the United States physicist Robert L. Forward. It was published in 1993 by Tor Books. The story mainly deals with the concept of human contact and interaction with a kingdom of intelligent alien life that dwells on a frozen world where the ambient temperature is only 30 K or −240 °C. In Camelot 30K, Forward uses exotic low-temperature chemistry to explain the aliens' unique biology and anatomy.

Core is a science fiction novel by author Paul Preuss. First published in August 1993, it is about a group of scientists who must undertake a dangerous trip to the core of the Earth.

Damia's Children is a 1993 science fiction novel by American writer Anne McCaffrey, forming part of the Talent series. Damia's Children forms a two-part story with the novel Lyon's Pride.

A Dark and Hungry God Arises is a science fiction novel by American writer Stephen R. Donaldson, the third book of The Gap Cycle series.

Deceit is an original novel written by Peter Darvill-Evans and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. Also included is Doctor Who Magazine comic character Abslom Daak, in his first appearance outside DWM. A prelude to the novel, also penned by Darvill-Evans, appeared in Doctor Who Magazine #198.

The Dimension Riders is an original novel written by Daniel Blythe and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Blythe, appeared in Doctor Who Magazine #206. This novel is the second novel in the "Alternate Universe cycle" which continues until No Future.

Drawing Blood is a 1993 horror novel by American writer Poppy Z. Brite. Something of a haunted house tale, the novel was originally titled Birdland but the publisher retitled it to make a thin connection to Brite's first novel, Lost Souls, a vampire tale.

Elvissey (1993) is a Jack Womack science fiction novel, one of his Dryco series, set in a dystopian 2033 CE. This fictional universe is dominated by Dryco, a Machiavellian multinational corporation which pursues its plans for global domination of its world, amidst runaway climate change, unstable weather patterns and rising sea levels, which threaten to eventually inundate old New York. It won a Philip K. Dick Award in its year of publication.

The Fifth Sacred Thing is a 1993 post-apocalyptic novel by Starhawk. The title refers to the classical elements of fire, earth, air, and water, plus the fifth element, spirit, accessible when one has balanced the other four.

Flux is a 1993 science fiction novel by British author Stephen Baxter. It is the third book in Baxter's Xeelee Sequence.

Fossil is a science fiction book by American writer Hal Clement, first printed in November, 1993. Copyright was reserved to him under his real name, Harry C. Stubbs and the company he associated himself with, Tomorrow, Inc..

Fossil Hunter is a novel written by Canadian science fiction author Robert J. Sawyer. The sequel to Far-Seer, it is the second book of the Quintaglio Ascension Trilogy. The book depicts an Earth-like world on a moon which orbits a gas giant, inhabited by a species of highly evolved, sentient Tyrannosaurs called Quintaglios, among various other creatures from the late cretaceous period, imported to this moon by aliens 65 million years prior to the story. Originally published in 1993 by Ace Science Fiction, it won the Homer award for "Best Novel" during its initial release date. It was reissued in 2005 by Tor Books.

Fury's Pilgrims is the seventeenth book in the series of Deathlands. It was written by Laurence James under the house name James Axler.

Glory Season is a 1993 science fiction novel by David Brin. It was nominated for both the Hugo and Locus Awards in 1994. An announcement in the back of one edition of Earth is for a novel titled Stratos, to be released in the spring of 1992. It seems likely that this was delayed, and renamed Glory Season.

Godspeed is a 1993 novel by American author Charles Sheffield.

The Gripping Hand is a science fiction novel by American writers Larry Niven and Jerry Pournelle, published in 1993. A sequel to their 1974 work The Mote in God's Eye, The Gripping Hand is, chronologically, the last novel to be set in the CoDominium universe. In the United Kingdom, it was released as The Moat around Murcheson's Eye.

The Hammer of God is a science fiction novel by Arthur C. Clarke originally published in 1993. Set in the year 2109, it deals with the discovery of an asteroid to be on course to collide with Earth and depicts the mission for deflecting the asteroid using fusion thermal rockets.

Help! I'm Trapped in My Teacher's Body! is a light-hearted children's science fiction novel by Todd Strasser, first published in 1993. It is the first book in his Help! I'm Trapped... series, many of which have a similar body swap premise.

Hexwood is a 1993 fantasy/science fiction novel for young adults. It is by British author Diana Wynne Jones.

The Highest Science is an original novel written by Gareth Roberts and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor and Bernice and the first appearance of the recurring monsters, the Chelonians. A prelude to the novel, also penned by Roberts, appeared in Doctor Who Magazine #196.

The Honor of the Queen is a science fiction novel by American writer David Weber, first published in 1993. It is the second book in the Honor Harrington series, In the story, Honor goes on a mission to bring the religiously conservative, sexist world Grayson onto the Manticorans' side in preparation for the inevitable war with Haven.

Iceberg is an original novel written by David Banks and based on the long-running British science fiction television series Doctor Who. It was number 18 in the Virgin New Adventures range and featured the Cybermen, being a sequel to the serials The Invasion and The Tenth Planet. The events of the novel run concurrently with those of Birthright. Banks as an actor portrayed the Cyber Leader in several Doctor Who serials. A prelude to the novel, also penned by Banks, appeared in Doctor Who Magazine #204.

The Iron Dragon's Daughter is a 1993 science fantasy novel by American writer Michael Swanwick. The story follows Jane, a changeling girl who slaves at a dragon factory in the world of Faerie, building part-magical, part-cybernetic monsters that are used as jet fighters. The plot of her story takes the form of a spiral, with events and characters constantly recurring in new settings.

The Iron Woman is a science fiction novel by British writer Ted Hughes, published in 1993. It is a sequel to the 1968 novel The Iron Man.
Killobyte is a 1993 novel by Piers Anthony. This book explores a virtual reality world in the context of the Internet, and although originally intended as an action-adventure story, it is more of a character study. It is a cult favourite because of its forays into virtual reality, as well as its technical inaccuracies.

The Left-Handed Hummingbird is an original novel written by Kate Orman and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also written by Orman, appeared in Doctor Who Magazine #207. This novel is the third novel in the "Alternate Universe cycle" which continues until No Future.

Lucifer Rising is an original Virgin New Adventures novel written by Jim Mortimore and Andy Lane and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Mortimore and Lane, appeared in Doctor Who Magazine #199.

Marooned on Eden (1993), is a science fiction novel by Robert L. Forward, collaborating with his wife, Martha Dodson Forward.

Mindstar Rising is a science fiction novel by British writer Peter F. Hamilton, published in 1993. It is the first book in the Greg Mandel trilogy. The novel introduces the major characters in the series, most notably Greg and Julia Evans. The novel combines elements of classic detective novels with science fiction.

Mission from Mount Yoda is the fourth book of the Jedi Prince series by Paul Davids and Hollace Davids, and was released in February 1993. It's preceded by the novel Zorba the Hutt's Revenge and followed by the novel Queen of the Empire.

Moving Mars is a science fiction novel written by Greg Bear. Published in 1993, it won the 1994 Nebula Award for Best Novel, and was also nominated for the 1994 Hugo, Locus, and John W. Campbell Memorial Awards, each in the same category. The main focus of Moving Mars is the coming of age and development of Casseia Majumdar, the narrator, as political tensions over revolutionary scientific discoveries build between Earth and Martian factions, and Mars tries to unify itself.

Muddle Earth is a science fiction novel by British writer John Brunner. It was first published in the United States by Ballantine Del Rey Books in 1993. It tells the story of a man awakened from cryogenic suspension in a bizarre 24th century where Earth is a tourist attraction.

On Basilisk Station is a science fiction novel by American writer David Weber, first published in 1993. It is the first book in his Honor Harrington series, and follows Commander Honor Harrington and Her Majesty’s light cruiser Fearless during their assignment to the Basilisk system. Though Basilisk Station and the planet of Medusa have become a dumping ground for military officers, currently in disfavor, from her home star system of Manticore. Honor is determined to discharge her duty regardless of the circumstances.

Parable of the Sower is a 1993 science fiction novel by American writer Octavia E. Butler, the first in a two-book series.

The Pit is an original novel written by Neil Penswick and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor and Bernice. A prelude to the novel, also penned by Penswick, appeared in Doctor Who Magazine #197.

Prophets of the Dark Side is the sixth book of the Jedi Prince series by Paul Davids and Hollace Davids, and was released in May 1993.

Queen of the Empire is the fifth book of the Jedi Prince series by Paul Davids and Hollace Davids, and was released in March 1993. It is preceded by the novel Mission from Mount Yoda and followed by the novel Prophets of the Dark Side.

Rama Revealed (1993) is a science fiction novel by Arthur C. Clarke and Gentry Lee. It is the last in a four-book series of Clarke's Rendezvous with Rama by these authors, and as the title suggests reveals the mysteries behind the enigmatic Rama spacecraft.

Random Acts of Senseless Violence is a dystopian and speculative fiction novel by Jack Womack.

Return to Rocheworld is a 1993 science fiction novel by Robert L. Forward and Julie Forward Fuller. It is the sequel to Forward's Rocheworld, a novel about the first manned interstellar mission to a unique double planet orbiting Barnard's Star. It features a return journey to that planet by the crew of the lightsail powered Starship Prometheus.

Shadowmind is an original novel written by Christopher Bulis and based on the long-running British science fiction television series Doctor Who. It was number 16 in the New Adventures and features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Bulis, appeared in Doctor Who Magazine #202.
Shockscape is the eighteenth book in the series of Deathlands. It was written by Laurence James under the house name James Axler.

Steel Beach is a science fiction novel by American writer John Varley, published in 1992.

They Fly at Çiron is a 1993 science fiction novel by Samuel R. Delany, wholly rewritten and expanded from a novelette written in the 1960s.

Timelike Infinity is a 1992 science fiction book by British author Stephen Baxter. The second book in the Xeelee Sequence, Timelike Infinity introduces a universe of powerful alien species and technologies that manages to maintain a realistic edge because of Baxter's physics background. It largely sets the stage for the magnum opus of the Xeelee Sequence, Ring.

The Truce at Bakura is a 1993 Star Wars spin-off novel by Kathy Tyers. It takes place immediately after the events depicted in the film Return of the Jedi (1983) and before those of the young-reader series Jedi Prince (1992–1993).

Vurt is a 1993 science fiction novel written by British author Jeff Noon. The debut novel for both Noon and small publishing house Ringpull, it went on to win the 1994 Arthur C. Clarke Award and was later listed in The Best Novels of the Nineties.

White Darkness is an original novel written by David A. McIntee and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by McIntee, appeared in Doctor Who Magazine #201.