After years of traveling through space, a crew of humans has finally found an uninhabited world to colonize. Almost twelve-year-old twins Evie and Emery Linn decide to sneak out and explore their new home. But on the surface, Evie starts noticing troubling signs. Plants curl tightly around her finger, as if they were alive. Strange tracks lead off into a dark cavern. Evie can't help but wonder--are they truly alone on this planet?

Twelve-year-old Amelia and the dog-boy Greeny have disobeyed their captain's orders. They stowed away to join a mission where they'll gather valuable junk from a debris field. But soon the life signs of the adult crew members blink off. Alarms start blaring, "Intruder alert!" Aliens have boarded their ship. Can Amelia and Greeny escape the deadly invaders, or will they be destined to join the lifeless mass of space scrap?

Nobody on the spaceship Wanderer has ever seen Earth, but now they have found a habitable planet, and they are eager to start building their new homes; the trouble is that nearly twelve-year-old Evie is sure that the planet is inhabited by ghostly aliens and aggressive plants, only no one wants to believe her, especially not her planet-obsessed twin brother Emery--and after the twins are attacked by both plants and aliens, Evie is not sure that her...

Twelve-year-old Amelia is the youngest member of crew on the Meddler, a spaceship that salvages scrap metal and anything else of value; currently they are interested in exploiting a debris field near the planet Canus, home to their cabin boy Greeny and his dog-like race, and Amelia is mad because her mother will not let her take part, so she and Greeny stow away on the salvage ship--but not everybody sees this particular debris as free-for-the-taking,...