From two New York Times–bestselling authors, a group of talented young people heads to the International Space Station for a new mission: saving Earth from in

In this YA adventure, student visitors to the Challenger Center are sent on a mission to the moon—where the fate of humanity hangs in the balance. After an ex

It was supposed to be just an educational field trip to the Challenger Learning Center, but JJ Wren and her friends find themselves transported into the future,

From a New York Times–bestselling author, seven hilarious mystery stories starring a zombie detective who won’t let death stop his pursuit of justice. Even

Can Gwen, Vic, and their friends succeed—and survive—in the exciting conclusion to the Crystal Doors trilogy? From New York Times bestselling authors Rebecc