Publisher Annotation: The first time I heard about Planet Choom, we'd been on Mars for almost a year. But life on the Mars station was grim, and since Earth was no longer an option (we may have blown it up), it was time to find a new home. That's how we ended up on Choom with the Zhuri. They're very smart. They also look like giant mosquitos. But that's not why it's so hard to live here. There's a lot that the Zhuri don't like: singing (just ask my...

Buddy Burger escapes his home planet, lands in Hollywood, and is cast in a new television series, but must pretend his six eyes and suction-cup feet are the costume and his human skin, real.

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

...

In 2041 on Moon Base Alpha, thirteen-year-old Dash must solve the mystery of how Lars was poisoned before the base loses oxygen, forcing the colonists to return to Earth.

In his new book, Howie the wire-haired dachshund writes all about how the Mind Swappers from Asteroid 6 invade Earth and how he and his friend Delilah save the day.

Professor Greenfur, the onboard scientist on spaceship MouseStar 1, has changed color from green to... orange! What's going on? To find out, the spacemice travel to his home planet of Photosyntheson. There, they learn that all of Professor Greenfur's relatives are being threatened by the nibblix, tiny aliens with very sharp teeth! Can the spacemice help in time?

In the future, bug-like aliens are taking over Earth and young Milo Silk learns through dreams and strange encounters that there are other, ancient monsters on the planet that are also threatened by the aliens, and that he may be the hero destined to lead his friends in saving the universe.

Kurby, Risk, and Carma team up to save their mother ship, BeegMumma, from hostile aliens, but must also face prejudices while completing their mission.

In a future where alien beings consume technology as a few humans try to preserve it, Strata, her brother, and a friend are separated from their caravan and, with a wonderful robotic horse, must fight their way back.

"Milo must choose between risking his life to save both the human and magical universes--or to live and save only his own"--