When the peaceful alien-run government decides to simply withdraw from Earth, it seems that the terrorist group Sapience is going to get the "free" Earth it wanted; but Donovan Reyes, member of the security forces, and once a prisoner of Sapience, realizes that freedom comes with a price--other alien races want to strip the planet of its resources, and if anyone is going to survive, what is left of the security forces and Sapience have to work together....

"First the rain brought seeds. Seeds that grew into alien plants that burrowed and strangled and fed. Seth, Anaya, and Petra are strangely immune to the plants' toxins and found a way to combat them. But just as they have their first success, the rain begins again. This rain brings eggs. That hatch into insects. Not small insects. Bird-sized mosquitos that carry disease. Borer worms that can eat through the foundation of a house. Boat-sized water...

While picking up milk for his children's cereal, a father is abducted by aliens and finds himself on a wild adventure through time and space.

Star Wars meets Ridley Pearson's Kingdom Keepers in this high-stakes intergalactic adventure! The Cosmic Alliance is the third installment in an action-packed series for tweens that's perfect for fans of Eoin Colfer and Lisa McMann and that Soman Chainani called "a blockbuster mix of thrills and adrenaline." Benny Love's trip to the moon wasn't supposed to include the start of a war between humans and the Alpha Maraudi, a group of aliens determined...

When the parents of Milo and Lina Graf are abducted by agents of the evil Empire, the children must undertake a perilous journey across the unknown reaches of Wild Space to rescue them - and to discover hope for the future. Milo and Lina trace their latest clue to a remote jungle world where a terrifying beast lies in wait.

Pleskit misplaces his grandfather's brain.

After facing off against Citizen Cruel and becoming a fan favorite on his Hollywood sitcom, Buddy Buger has to hide from the Supreme Leader of his home planet and maintain his secret alien identity.

Twelve-year-old Gabby, recruited by a secret agency to take care of extraterrestrial children, is assigned to babysit a troll.

The beloved author of Posted and Ms. Bixby's Last Day returns with the first book in a coming-of-age sci-fi duology about Leo, a kid trying to navigate the galaxy in order to save his family—and, possibly, the planet Earth. When scientists discover a rare and mysterious mineral buried in the Earth’s crust, they have no idea that it just happens to be the most valuable substance in the entire universe. It’s not long before aliens show up to...

George and Harold have played a trick or two on nearly everyone at Jerome Horwitz Elementary. When their latest prank causes the school's cranky cafeteria ladies to quit, Mr. Krupp hires a trio of unusual replacements - who happen to look an awful lot like aliens! Will that curtain-caped crusader, Captain Underpants, save the day once more? Or will those outer-space cafeteria ladies have him for lunch?