an old friend

Sara Youngcross ( yes I know she would be related to Avalon in my other book but they aren't ok? I needed a last name) is one of Eli's friends from the surface, she trained with Eli and Will Shane to become an excellent slug slinger before moving away when she was 3. what happens when Eli and Sara meet again? is Sara hiding something? Will the Shane game except her? Is Sara an enemy? find out!