Pursued by power-hungry Prentiss and mad minister Aaron, young Todd and Viola set out across New World searching for answers about his colony's true past and seeking a way to warn the ship bringing hopeful settlers from Old World.

"Dashiell Gibson, who lives on Moon Base Alpha, has to solve a murder of one of the moon's most prominent doctors"--

Nax's one-way trip back to Earth is cut short after the school is hijacked by terrorists. Now he and a handful of other space Academy washouts are the only surviving pilots. In order to spread the truth about the attack, Nax and his fellow failures must execute a dangerous heist.--

Surrounded by strangers all competing for one of the six slots to travel to Jupiter's moon, Europa, Naomi, an Iranian-American science genius, finds a friend in Leo, an Italian championship swimmer, as the training tests their limits.

Bell has spent his whole life--all eleven years of it--on Mars. But he's still just a regular kid--he loves cats, any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why don't they have contact with anyone on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell--a regular kid...

In 2041 twelve-year-old Dashiell Gibson is a resident of Moon Base Alpha, and at the moment he is faced with a number of problems: coping with the nasty Sjoberg twins, finding out how the commander of the base has managed to disappear from a facility no bigger than a soccer field, and dealing with the alien Zan who communicates with him telepathically from afar--and who is hiding a secret which may threaten the whole Earth.

Returning to Earth after escaping the Martian colony, Mars Patel and his friends, along with genius billionaire Oliver Pruitt, discover that all the adults have mysteriously vanished and, as tensions rise and new mysteries are revealed, must somehow discover the truth.

"Rigg's journey comes to an epic and explosive conclusion as everything that has been building up finally comes to pass, and Rigg is forced to put his powers to the test in order to save his world and end the war once and for all"--

When Jo steps onto planet Tau Ceti E, it should be the happiest moment of her life. After all, she's been training ever since she can remember to be a cadet pilot in the International Space Agency. She's dreamed of the day she and her family would leave Earth forever and begin life as pioneers on a new planet. But now she can't stop thinking of everything that has gone wrong on their mission: the terrible accident that almost destroyed their craft,...

"Christopher, Elena, and the other survivors of the attack on their space colony know two things: their victory over the Landers will be short-lived and a new wave of attacks is imminent"--