What is the plot of the epitaph road by David Patneaude?

"The Epitaph Road" by David Patneaude is set in a post-apocalyptic world where a deadly virus has wiped out much of humanity. The story follows a teenage boy named Travis and his younger sister as they search for a safe haven. Along the way, they encounter dangers and challenges that test their survival skills and resolve. Ultimately, the novel explores themes of family, resilience, and hope in the face of adversity.