Diane Duane Books in Order

A wounded prince, a gifted swordsman, and powerful allies are drawn into a dangerous quest across the Middle Kingdoms. Duane starts the series with adult epic fantasy that is intimate, political, and strange.

Bullied and hiding in the library, Nita finds a book that offers real wizardry. Taking the Oath pulls her into a partnership with Kit and a fight that reaches all the way to the Lone Power.

The Enterprise tests a radical new drive and ends up tangled in a crisis that puts reality itself under pressure. It is big-idea Star Trek with Kirk and company trying to think their way through disaster.

A Romulan commander is forced into an uneasy alliance with Kirk's Enterprise to stop something dishonorable and catastrophic. It is where Duane's Rihannsu saga begins, and it starts strong.

The second Middle Kingdoms novel deepens the cost of power for Herewiss and the people around him. Personal histories, war, and the burden of what has already been awakened all keep pressing inward.

What begins as a beach vacation turns into an undersea wizardly crisis involving whales, sharks, and an ancient ritual that may demand Nita's life. The scope gets huge, but the fear feels personal.

Part political thriller, part cultural deep dive, this novel opens the Romulan Empire from the inside. Honor, secrecy, and identity matter as much as plot, and that is exactly why it works.

Vulcan may secede from the Federation, and Spock finds himself at the center of the argument. The novel balances a present-day political crisis with the long, difficult history of Vulcan itself.

This return to the world of *Keeper of the City* revisits a story of hidden magic, exile, and dangerous obligation. The city still has secrets, and leaving it never meant escaping them.

A city with hidden powers and older loyalties at work needs a keeper more than anyone expects. This fantasy builds its tension around belonging, guardianship, and the cost of being chosen by a place.

A threatened realm called Ar becomes the center of a desperate fight over survival and control. This is one of Duane's more action-forward adventures, built around the strain of holding a line that may not hold.

Kirk leaves McCoy in command of the Enterprise as a joke on regulations, then promptly vanishes on an important mission. McCoy is stuck with the bridge, Spock cannot take over, and Klingons arrive to make everything worse.

Dairine Callahan finds a wizard's manual in the form of a computer and takes the Oath for herself. Her first adventure sends her far beyond Earth, and Nita and Kit have to chase after her before things go catastrophically wrong.

The Space Cops crew faces a case shaped by mental pressure, fear, and the difficulty of knowing who can still be trusted. It opens the series with a future-policing feel and a strong dose of threat.

Another Space Cops case unfolds under lunar pressure, where crime and technology make a bad situation worse in a hurry. It is brisk, procedural science fiction with danger built into the setting.

A fresh case sends the Space Cops into the dangerous close quarters of a station where violence and investigation are never far apart. The frontier setting keeps turning routine police work into survival.

The Middle Kingdoms story widens toward its most far-reaching conflicts as old wounds, powers, and loyalties all come due. Herewiss and his companions are forced to face what their choices have truly set in motion.

Nita is sent to Ireland for the summer in hopes of getting her away from wizardry. Instead she walks straight into ancient relics, Irish myth, and another battle against the Lone Power.

Picard and the Enterprise-D run into their brutal Mirror Universe counterparts and uncover a plan for invasion. It is a dark, clever TNG novel that asks how different the same people might become in another history.

A high-tech submarine roams Earth's oceans in a near future where the seas are the new frontier. This novelization of the pilot mixes underwater adventure with science, politics, and command pressure.

Murders and radioactive thefts seem to point toward Venom, but the truth is messier and worse. Spider-Man has to navigate the Hobgoblin, a copycat threat, and one of the least comfortable team-ups in comics.

In Florida, Spider-Man collides with the Lizard, a dangerous scientific mystery, and Venom's separate hunt for the same prey. The result is part monster story, part thriller, and all trouble for Peter Parker.

Earth is facing alien attack, and the global defense force X-COM has to answer with research, strategy, and brutal field missions. This tie-in leans into the pressure, paranoia, and attrition of the game world.

Nuclear blasts, organized crime, and Doctor Octopus pull Spider-Man into a widening crisis. With Venom hunting the same target, Peter Parker ends up in another alliance he would rather avoid.

A collection of stories inspired by The Outer Limits, where science fiction ideas tilt toward horror, irony, and dread. Each tale offers its own unsettling what-if.

The X-Men are pulled into a crisis in the Shi'ar Empire, where court politics and cosmic danger collide. This one leans hard into the team's space-opera side, with interstellar stakes from the start.

Picard's crew investigates a baffling threat that seems to feed on thought itself. Duane turns the problem into a tense TNG mystery where curiosity and intelligence both become part of the danger.

Rhiow seems like an ordinary Manhattan cat, but she leads a team of feline wizards maintaining the worldgates at Grand Central. When the gates fail and a new kitten wizard arrives in crisis, the whole city is at risk.

In this UK edition of the second Cat Wizards novel, Rhiow and company head into an alternate Victorian Britain where magic, espionage, and the threat of terrible new weapons are converging.

Disgraced ex-Marine Gabriel Connor is offered one last chance to redeem himself. All he has to do is gamble his life in a brutal contest that could leave him even more lost than before.

Another anthology drawn from The Outer Limits tradition, full of speculative twists, eerie moods, and stories that turn one strange idea into trouble fast. Best read one unsettling piece at a time.

Rhiow and the cat wizards cross into an alternate Victorian Britain where the Lone Power is meddling with the path to nuclear weapons. Saving the world means working in whiskers, shadows, and clockwork-era danger.

A holographic old-timers baseball game turns deadly when gangsters from a virtual 1930s invasion crash the simulation. Matt Hunter and the Net Force Explorers have to stop the attack before play turns into mass harm.

A visit to the luxury resort Xanadu should be fun, until Megan O'Malley and the other Explorers uncover a deadly cyberthief inside one of the world's most advanced virtual sites. Paradise gets dangerous fast.

A bitter student sabotages a virtual simulation used by the Net Force Explorers, then builds a private digital trap of his own. What starts as school-level misery turns into a dangerous game of revenge.

Gabriel Connor and Enda are trying to survive on the dangerous edges of known space when they stumble onto a revelation buried deep in the past. Their search pulls them into even larger trouble.

Charlie Davis goes undercover in a punk and morbo site called Deathworld after rumors link it to suicides. The deeper he goes, the clearer it becomes that this online scene is dangerous in very real ways.

Romulan politics keep tightening around questions of honor, legitimacy, and survival. This continuation builds on *Swordhunt* and presses the Rihannsu story further inward, into the Empire's own fractures.

Gabriel Connor's hard road through the Verge heads toward a reckoning on Algemron. Old revelations, shifting loyalties, and frontier danger all collide as the Harbinger story pushes toward its endgame.

The Net Force Explorers race to protect a prominent scientist and his son from agents of a corrupt government. Their search becomes a virtual manhunt where being fast is not the same thing as being safe.

The Rihannsu saga moves deeper into Romulan political danger, where old loyalties and newer ambitions are equally hazardous. Duane shifts the focus from first alliance to the harder work of aftermath and power.

When Megan O'Malley's friend disappears into a virtual refuge for runaways, she goes looking for answers. What she finds is a criminal network using vulnerable kids as disposable couriers.

Nita discovers that magic cannot solve everything when her mother is diagnosed with a brain tumor. While Kit uncovers a startling secret about his dog Ponch, Nita has to face helplessness head-on.

While Nita struggles with grief and withdrawal, Kit is asked to help a young wizard whose Ordeal has gone badly wrong. The result is one of the series' quieter, more inward books, and one of its most humane.

Catie Murray and fellow Explorer Mark Gridley discover that moneyed insiders are tampering with the virtual environment of a rising sport called spatball. To stop them, they have to beat adults who think the game can be rigged without consequences.

A murder points to a larger plot against the rulers of Alfheim. Lee Enfield and her fayhound partner Gelert have to go undercover in an elven world where every answer opens another danger.

The amateurs are beating the pros in the spatball playoffs, and big bettors are about to lose a fortune. The Net Force Explorers are called in when threats against a star player turn the season lethal.

An intergalactic exchange program sounds like the closest thing Nita and Kit will ever get to a vacation. Instead they land on a paradise world with a dark secret about change, death, and a people trapped outside time.

A Star Trek omnibus that pairs Diane Duane's *Spock's World* with A.C. Crispin's *Sarek*. Together, the two novels dig into Vulcan history, family strain, and the long shadow of Spock's divided inheritance.

Mariarta, a village girl in the mountains of Raetia, begins hearing strange voices in the wind after a mysterious arrival. When a curse falls on her home, she must cross a dangerous land to save it and herself.

The long fight against the Lone Power stops being distant and turns into open war. Nita, Kit, and their allies are pushed onto the front lines, where every choice costs something.

The Rihannsu sequence reaches its closing movement in a story about succession, crisis, and the long cost of earlier choices. The political pressure is high, and nobody gets to stand outside it.

Nita and Kit join an investigation into the long-lost inhabitants of Mars. As clues deepen and Kit becomes dangerously bound to the mystery, Earth and Mars both end up hanging in the balance.

Dev Logan built the world's biggest online game, but Omnitopia may be becoming more than software. As sabotage closes in, he has to protect a virtual world that might actually be alive.

Halloween in the Young Wizards neighborhood spins off the rails with overage trick-or-treaters, suburban zombies, and killer pumpkins. It is a lighter side trip, but it still knows how to raise the stakes.

A short, offbeat fantasy adventure built around a heroine who gets dragged into trouble stranger than she expected. Duane keeps it brisk, weird, and interested in how quickly ordinary life can tip sideways.

A collection of shorter Young Wizards fiction, including the long-loved *Uptown Local*. It is a good place to see Duane work in smaller forms without losing the series' wit or emotional bite.

This graphic fantasy takes a comic run at Russian folklore, with Prince Ivan stumbling into one ridiculous complication after another. It is playful, adventurous, and happy to laugh at heroic expectations.

Three Dublin-area kids get pulled into a Halloween mystery after a strange herd of ponies appears in the mist. What starts as a small act of kindness turns into trouble with neighbors, police, and older magic.

A holiday gathering takes a sharp turn when a superblizzard traps the gang inside and alien ghosts arrive with unfinished business. It is a festive Young Wizards side story with warmth, weirdness, and trouble in equal measure.

A Young Wizards collection that bridges *A Wizard of Mars* and *Games Wizards Play*. It gathers *Not On My Patch*, *How Lovely Are Thy Branches*, and *Lifeboats* into one useful stopgap volume.

A distant world is facing unavoidable disaster, and wizards from across Earth are called to intervene. Nita, Kit, and their allies have to help in a crisis so large that even wizardry may not be enough.

Every eleven years, young wizards compete in the Invitational for a coveted apprenticeship. Nita, Kit, and Dairine become mentors, only to find that rivalry, family pressure, and lunar-scale danger are about to turn the contest into something much riskier.

Three Young Wizards universe novellas about first trials are gathered here in one volume. The focus shifts away from the usual leads and onto what becoming a wizard looks like for very different characters.