(Paperback)

After their first year of training was upended by a surprise attack on their allies' home world, Nora, Sophie, Cat, Zoe, and Raina find themselves at the center of a galactic intrigue. In the end, the girls will have to rely on each other if they are to succeed in their individual quests. Faxes forever.

(Paperback)

Nora heads off to school - only that school is on Ganymede, one of Jupiter's moons. And her classmates are aliens. And that isn't even the weirdest part.