Dash, Carly, Gabriel, and Piper visit a planet made up of molten lava and run entirely by robots where they must find the second element of the Source that will save the Earth.

Catboy, Gekko, and Owlette race into space to save the day and keep Luna Girl from capturing the harvest moon crystal.

"Space travel is the best, but making space for friends is better. An imaginative only child named Avni enjoys the perks of being the only astronaut in her space station (a. k. a. home). She can take off whenever she wants, commands a whole rocket ship by herself, and never has to wait her turn. But when space exploration becomes too much work for a solo astronaut, she goes on a mission in her neighborhood to find a capable assistant... with unexpected...

"Thrillingly ambitious and imaginative." -Soman Chainani, bestselling author of The School for Good and Evil, about Last Day on Mars It is Earth year 2223, but the Earth, along with the entire solar system, is gone. Liam and Phoebe, having barely escaped our exploding sun with their lives, are in stasis for the decade-long journey to the rogue planet Delphi, where they hope to meet up with the rest of the human refugees, find help for their injured...

When Gurple and Preen crash land onto a strange alien planet, they must find a way to work together to build something new from their mistake in order to save the mission.

"Eight-year-old Archie Morningstar, his father, and the talking cat Pockets travel to a planet that closely resembles medieval Earth in order to rescue a princess from the clutches of the intergalactic criminal organization B.U.R.P"--Provided by publisher.

Although Meggie Blue seems to be an average sixth-grader she is abnormally frightened when residents of her small, North Carolina town become fixated on aliens, and soon she and her family are forced to flee, making it clear that all is not as it seems.

Twelve-year-old Jack is almost killed by intergalactic beings when he is mistaken for precocious superspy Gradius Clench, and his only chance for survival is to team up with a ragtag group of alien bounty hunters.

Long before the Clone Wars, the Empire, or the First Order, the Jedi lit the way for the galaxy in a golden age known as the High Republic! Vernestra Rwoh is a new Jedi Knight at age sixteen, but her first real assignment feels an awful lot like babysitting. She's been charged with supervising twelve-year old aspiring inventor Avon Starros on a cruiser headed to the dedication of a wondrous new space station called Starlight Beacon. But soon into...