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.

More than six months after the eruption of the Yellowstone supervolcano, Alex and Darla retrace their steps to Iowa hoping to find Alex's parents and bring them to the tenuous safety of Illinois, but the journey is ever more perilous as the remaining communities fight to the death for food and power.

What's tasty, good for you, and only takes about sixty seconds to make? Oatmeal. Could this be a new weapon against the Yeerks? Will Rachel and her friends be able to return to the Yeerk pool and back to the surface without running into Visser Three?.

Fourteen-year-old Stephanie Harrington and her fellow Provisional Forest Rangers on the planet Sphinx must prevent disaster from befalling a treecat clan caught in a blaze while preserving the secret that the treecats of Sphinx are highly intelligent and deserving of rights that some would deny them.

Fifteen-year-old Claire Ryan has always felt invisible, always lived beyond people's notice, which causes trouble when she instantly connects with seventeen-year-old Nix, who really can become invisible and has been sent to assassinate her.