It was hard enough for Naomi to leave Leo, a fellow Final Six contestant, behind on a dying Earth. Now she doesn't know who to trust.The International Space Training Camp continues to dodge every question about its past failed mission, and Naomi is suspicious that not everything is as it seems on her own mission to Europa. With just one shot at Jupiter's moon, Naomi is determined to find out if there is dangerous alien life on Europa before she and...

Through journal entries sixteen-year-old Miranda describes her family's struggle to survive after a meteor hits the moon, causing worldwide tsunamis, earthquakes, and volcanic eruptions.

After a meteor hits the moon and sets off a series of horrific climate changes, seventeen-year-old Alex Morales must take care of his sisters alone in the chaos of New York City.

After the disappearance of his sister, Cassie, and other children who ask questions about their carefully choreographed life in a domed suburb cut off from the outside world, Martin and his intelligent dog investigate.

Seventeen-year-old Michael goes to visit his eccentric mad-scientist uncle who, busy working on yet another time-travel experiment in his cluttered lab, barely notices him. He keeps muttering things like "quantum multiverse transporter" and Michael has to entertain himself. Which is how Michael accidentally ends up in an alternate universe. Everything looks remarkably similar to his own world but with a few key differences, like lizard men dressed...

When Belle Song's mother becomes pregnant the family journeys to Tharsis City so she can consult a specialist, and see the sights of the capital; but when Belle's android Melody, and her wolfdog Raider, disappear she is confronted by the deep human prejudice against robots--and an escaped Water Raider.

"Zaira Citlali is supposed to die. After all, she's the god Indigo reborn. Indigo, whose song created the universe and unified people across galaxies to banish Ozvios, the god of destruction. Although Zaira has never been able to harness Indigo's powers, the Ilori Emperor wants to sacrifice her in Ozvios's honor. Unless she escapes and finds Wesley, the boy prophesized to help her defeat Ozvios and the Ilori, once and for all. Wesley Daniels didn't...

A young child imagines going off to Kindergarten as a journey to another planet.

"Have a blast with this story of an alien who crash-lands on a strange planet. Young readers can use the carefully leveled text to improve their reading skills while also learning about accepting differences"--

Mario is playing computer games, as usual, when three aliens arrive looking for fun new toys to play with, rather than boring electronic devices.