Rocks in the Windshield: The Harbinger, Book 5 (Unabridged‪)‬

The series continues in book 5: Rocks in the Windshield. 

At Ghost Lake, the group strategizes, planning for their long-term survival, but just because they're a team doesn't mean that people will get along. After the tragedy of the plague, people's true personalities begin to emerge, and not everyone is happy with Alex's leadership. Simon's death catches up with Nina. Logan has become smitten with Kirk. Alex continues to keep his distance from Meredith. Isaiah finds himself imprisoned inside The Church of the Second Coming. Dr. April Harrison meets others on her way back to Memphis. Beulah slaps the fool out of someone. Meredith finds herself not liking Kirk. Falling ill, Amber is finding it harder to keep her secret. Mateo makes a play for Meredith. Something is happening between Kirk and Ammon. Someone dies on a raid outside of the lodge.