The bad guys are out to save the world, but to do so, they must borrow a rocket, deal with nastiness inside a space suit, and handle some noxious gas.

To save his father, a Coalition scientist protecting a precious resource, after their ship is attacked, Leo stows away on a strange ship of mercenary space pirates and must decide who to trust, human or alien, to stay alive.

A displaced princess and her best-friend-with-benefits must take down an intergalactic mafia endangering the lives of the outer realm's settlers--

Geronimo Stiltonix takes MouseStar 1's broken computer to a distant planet to be repaired by a brilliant inventor, but pirate spacecats attack and steal the device, and the spacemice must retrieve it before the machine can be turned against them.

"From the international bestselling author of All the Birds in the Sky, Charlie Jane Anders, comes Dreams Bigger Than Heartbreak, the sequel to Victories Greater Than Death in the thrilling adventure Unstoppable series. They'll do anything to be the people they were meant to be - even journey into the heart of evil. Rachael Townsend is the first artist ever to leave Earth and journey out into the galaxy - but after an encounter with an alien artifact,...

Geronimo and his crew explore the underwater planet of Aquarix, where they face fur-eating seaweed, ferocious piranha aliens, and pirate spacecats.

"This sci-fi inspired taxi trip will have kids roaring with laughter. Victor is everyone's favorite extraterrestrial taxi driver, but he has a big problem. His memory is terrible! He can never remember his way around the galaxy. When he drops off his passengers at the wrong locations, there are some unexpected and hilarious high jinks. Elsa Klever's wonderful drawings incorporate every day experiences--like going to the dentist, the library, or the...

It's time for Buzz Lightyear and his team to go on their first mission and they need all of the skills they learned in training to be successful.

Would you destroy another world to save your own?As the site of a former military base, there have always been rumors that East Township High School was the site of experiments with space and time. For years, students have whispered in the hallways of a doorway created within the school, one that can access multiple timelines and realities, a place known as the Down World. As the new kid in school and still reeling from the unexplained death of her...

The planet Kerenza is attacked, and Kady and Ezra find themselves on a space fleet fleeing the enemy, while their ship's artificial intelligence system and a deadly plague may be the end of them all--