The Expeditioners and the Lost City of Maps — S.S. Taylor

As the world teeters on the edge of war, Explorer-in-Training Kit West finishes his spy training and is sent on his first secret mission: a dangerous journey across the Simerian Desert to retrieve a secret map that will allow his government to fend off an invasion. But things are not as they seem and Kit must battle deadly sandstorms, ruthless spies, and government agents to find the map and stay on the trail of his father, the famous Explorer Alexander West. Will Kit have what it takes to find the map and a secret desert city known only in legend? And will he have the courage to finally find out where his father is leading him?