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Luke Skywalker expected trouble when he volunteered to follow Princess Leia on her mission to the planet Circarpous. But he discovered that hidden on the planet was the Kaiburr crystal, a mysterious gem that would give the one who possessed it such powers over the Force that he would be all but invincible. In the wrong hands, the crystal could be deadly. So Luke had to find this treasure and find it fast.

The Republic is decaying, even under the leadership of Supreme Chancellor Palpatine, who was elected to save the galaxy from collapsing under the forces of discontent. On the tiny but strategic planet of Ansion, a powerful faction is on the verge of joining the growing secessionist movement. At the Chancellor's request, the Jedi Council sends two Jedi Knights, Obi-Wan Kenobi and Luminara Unduli, along with their Padawans Anakin Skywalker and Barriss Offee, to stabilize the planet's population. To succeed, the Jedi will have to fulfill near-impossible tasks, befriend wary strangers, and influence two great armies, stalked all the while by an enemy sworn to see the negotiations collapse and the mission fail....

Luke Skywalker was a twenty-year-old who lived and worked on his uncle's farm on the remote planet of Tatooine...and he was bored beyond belief. He yearned for adventures that would take him beyond the farthest galaxies. But he got much more than he bargained for....

Also Published under the Original Title - Star Wars: From the Adventures of Luke Skywalker.

George Lucas also gets full credit for authorship, even though Foster did the ghostwriting and fleshing out of the script for the novelization.

Approximately 30 years after the destruction of the second Death Star, Luke Skywalker, the last Jedi, has disappeared. The First Order has risen from the fallen Galactic Empire and seeks to eliminate Luke and the Republic. The Resistance, backed by the Republic and led by Luke's twin sister, Leia Organa, opposes them while searching for Luke to enlist his aid.

Resistance pilot Poe Dameron meets village elder Lor San Tekka on the planet Jakku to obtain a map to Luke's location. Stormtroopers under the command of Kylo Ren destroy the village and capture Poe. Poe's droid BB-8 escapes with the map, and encounters a scavenger, Rey, at a junkyard settlement. Ren tortures Poe and learns of BB-8. Stormtrooper FN-2187, unable to kill for the First Order, frees Poe and they escape in a stolen TIE fighter; Poe dubs FN-2187 "Finn". They crash on Jakku, and Finn appears to be the only survivor. He encounters Rey and BB-8, but the First Order tracks them and launches an airstrike. The three flee the planet in a stolen, rundown ship, the Millennium Falcon.

The Falcon breaks down, and is captured by a much larger ship, piloted by Han Solo and Chewbacca, who reclaim their former vessel. Han explains that Luke tried to rebuild the Jedi Order but went into exile after a student turned to the dark side and destroyed all that Luke had built. Gangs seeking to settle debts with Solo board the ship and attack, but the five escape in the Falcon. The criminals inform the First Order of Han's involvement. The Falcon crew view BB-8's map and determine it is incomplete. They travel to the planet Takodana and meet with cantina owner Maz Kanata, who can help BB-8 reach the Resistance, but Finn wants to flee on his own. Rey is drawn to a vault and finds the lightsaber that belonged to Luke and his father before him. She experiences disturbing visions and flees into the woods. Maz gives Finn the lightsaber for safekeeping.

At the First Order's Starkiller Base, a planet converted to a superweapon capable of destroying star systems, Supreme Leader Snoke orders General Hux to use it for the first time. It destroys the Republic capital and its fleet and Hux declares the end of the Republic. Snoke tells Ren that to overcome the call of the Light Side of the Force, Ren must kill his father, Han Solo. The First Order attacks Takodana. Han, Chewbacca, and Finn are saved by Resistance X-wing fighters led by Poe, but Rey is captured and taken to Starkiller Base. Ren interrogates Rey, but she resists his mind-reading. Discovering she too can use the Force, she escapes her cell with a Jedi mind trick.

Leia arrives at Takodana with C-3PO and reunites with Han and Chewbacca. At the Resistance base on D'Qar, BB-8 finds R2-D2, who has been inactive since Luke's disappearance. As Starkiller Base prepares to fire on D'Qar, the Resistance devises a plan to destroy it by attacking a critical facility. Leia urges Han to return their son alive. Using the Falcon, Han, Chewbacca, and Finn infiltrate the base. They lower its shield, find Rey, set explosives, and encounter Ren. Han confronts Ren, calling him by his birth name, Ben, and implores him to abandon the dark side. Though conflicted, Ren ultimately rejects and kills Han. An enraged Chewbacca shoots Ren in the side and sets off the explosives, allowing the Resistance X-wing fighters to attack the weapon and start a chain reaction that destroys Starkiller Base.

The injured Ren pursues Finn and Rey to the surface. Finn battles Ren with the lightsaber, but is overpowered and badly wounded. Rey takes the lightsaber and fights Ren, overpowering him with the Force before they are separated by a fissure. Snoke orders Hux to evacuate and bring Ren to him, while Rey and Chewbacca escape with Finn in the Falcon. On D'Qar, the Resistance celebrates while Leia, Chewbacca, and Rey mourn Han's death. R2-D2 awakens and reveals the rest of the map, which Rey follows with R2-D2 and Chewbacca to an island on a distant planet. She finds Luke and presents him with his lightsaber.