Tash, Zak, and their mysterious Uncle Hoole travel to Tatooine, where Tash falls under the spell of a dangerous B'omarr monk who has plans to transfer the brains of wanted criminals into the bodies of his unsuspecting followers.
Tash, Zak, and their mysterious Uncle Hoole find themselves in a dangerous situation when they journey to Kiva, a planet on the galaxy's Outer Rim, to make sure the evil Borborygmus Gog's Project Starscream has really been destroyed.
With his sister Tash and his Uncle Hoole, Zak lands on the planet Necropolis, where he hears constant talk of graves, witches, and cemeteries and finds evidence that the dead are coming back to life.
When thirteen-year-old Tash and her younger brother Zak visit the planet Gobindi with their Uncle Hoole, they discover an Imperial plot to spread a terrible virus across the galaxy.
On the planet Fun World, where computer-generated holograms create both entertainment and terror, Zak and Tash discover that some of the scary illusions may be real and dangerous.
Zak and Tash hope to defeat the evil scientist Gog by finding the lost Jedi library on the abandoned space station Nespis 8, but that storehouse of knowledge is supposedly cursed and guarded by the ghost of a Jedi.
Thirteen-year-old Tash, her younger brother Zak, and their Uncle Hoole visit the planet D'vouran, where they encounter the sluglike crime lord Smada the Hutt and reports of people vanishing into thin air.
Tash, Zak, and their mysterious Uncle Hoole find themselves in a dangerous situation when they journey to Kiva, a planet on the galaxy's Outer Rim, to make sure the evil Borborygmus Gog's Project Starscream has really been destroyed.