Below Zero by C.J. Box
This is the ninth installment in a series featuring Wyoming game warden Joe Pickett.
When Sheridan, his seventeen year-old daughter, suddenly begins receiving text messages from someone claiming to be his dead foster daughter April, Joe begins to wonder if she somehow survived the fiery confrontation that took place in Winterkill (2003) between a survivalist group and law enforcement agents. If April is indeed still alive, she is in grave danger, because she is traveling with suspected serial killers targeting people whose carbon footprint is too high. Driven not to lose April a second time, Joe and Sheridan set out to find her. They also need to enlist the help of their fugitive friend Nate Romanowski in this fast-paced thriller.
Suggested by Ingrid.
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