Galaxy Games: The Challengers by Greg Fishbone, illus. by Ethen Beavers, introduces Tyler Sato, a boy who is destined to become Earth's champion in the Galaxy Games. But first, Tyler must survive Earth's first encounter with alien life forms.

Thirteen-year-old Tyler Sato has lied, cheated, and scammed his way into the Galaxy Games. Now, on the eve of the galaxy-spanning sports tournament, Tyler's past is catching up with a vengeance! Earth's team of international all-stars is at each other's throats. A shadowy conspiracy is on the move. And a shape-shifting alien assassin has Tyler in his sights. Can Tyler step up his game to become the leader Earth needs? Or will the world finally discover that Tyler isn't quite the hero that everyone believes?