Planet of Twilight is a 1997 novel by Barbara Hambly

Barbara Hambly

Barbara Hambly is an award-winning and prolific American novelist and screenwriter within the genres of fantasy, science fiction, mystery, and historical fiction...

, set in the Star Wars

Star Wars

Star Wars is an American epic space opera film series created by George Lucas. The first film in the series was originally released on May 25, 1977, under the title Star Wars, by 20th Century Fox, and became a worldwide pop culture phenomenon, followed by two sequels, released at three-year...

galaxy

Star Wars Galaxy

Star Wars Galaxy may mean:* Star Wars Galaxies, a Star Wars themed MMORPG platform for Microsoft Windows* Star Wars galaxy, the fictional galaxy where the setting of the Star Wars saga occurs...

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Story

The story takes place on Nam Chorios, a backwater world in the Outer Rim which infamously was the center of the Death Seed Plague centuries ago. It is now home to a fanatic religious cult

Cult

The word cult in current popular usage usually refers to a group whose beliefs or practices are considered abnormal or bizarre. The word originally denoted a system of ritual practices...

 which is plotting to use a new weapon system of quasi-intelligent crystals as unstoppable, unmanned starfighters to attack the New Republic

New Republic (Star Wars)

The New Republic is a government in the fictional Star Wars universe.When the Rebel Alliance re-established the Old Galactic Republic after the downfall of the Galactic Empire, it became known as the New Republic, just as the original Galactic Republic had become known as the Old Republic by that...

. Leia Organa Solo

Princess Leia Organa

Princess Leia Organa of Alderaan is a fictional character in the Star Wars universe...

 unofficially goes on a trip to meet with Seti Ashgad, the leader of the Rationalist Party.

Luke Skywalker

Luke Skywalker

Luke Skywalker is a fictional character and the main protagonist of the original film trilogy of the Star Wars franchise, where he is portrayed by Mark Hamill. He is introduced in Star Wars Episode IV: A New Hope, in which he is forced to leave home, and finds himself apprenticed to the Jedi master...

 is there after receiving a message from Callista, an old flame. Luke's ship is shot down and Leia is kidnapped by the ancient and corrupt Beldorion the Hutt

Hutt (Star Wars)

The Hutts are a fictional alien race in the Star Wars universe. They appear in The Phantom Menace, Return of the Jedi and The Clone Wars, as well as the special edition release of A New Hope. They also appear in various Star Wars games, including those based on the movies, and the Knights of the...

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After a series of adventures the two escape and end the political conspiracy

Conspiracy (political)

In a political sense, conspiracy refers to a group of persons united in the goal of usurping or overthrowing an established political power. Typically, the final goal is to gain power through a revolutionary coup d'état or through assassination....

 between the Rationalists and the New Republic.