The Star Challengers Trilogy

All three novels in the acclaimed YA sci-fi trilogy featuring teenage space explorers who use real science to save humanity.

After a visit to the Challenger Center, a group of young people are recruited to become real space adventurers by the mysterious Commander Zota. Sent into the future to save humanity, they venture to a moon base, a space station, and an asteroid! Each mission involves learning vital new skills and saving humanity.