Kevin J. Anderson & Rebecca Moesta 
Star Challengers: Moonbase Crisis [EPUB ebook] 
Moonbase Crisis

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 exhilarating space simulation field trip at the local Challenger Center, a group of students are hand-picked by the mysterious Commander Zota for a special adventure: to travel to the future. A real moon base is in trouble, and these new “Star Challengers” will need to learn skills to save the human race.</