Sky Key Endgame Series, Book 2.

The Endgame trilogy continues in the sequel to the New York Times bestseller Endgame: The Calling. Endgame is here. Earth Key has been found. Two keys-and nine Players-remain. The hunt for Sky Key has begun. Queens, New York. Aisling Kopp believes the unthinkable: that Endgame can be stopped. But before she can act on her own, she is approached by the CIA. And they have their own ideas about how Endgame should be Played. Kingdom of Aksum, Ethio...