Origins (Zombie Games #1)

Seventeen year old Cassandra Wild thought living in the chaos of her mother’s home daycare and dealing with her developing feelings for Bryce, her new Martial Arts’ instructor, was a struggle, until the night her world turned upside down.

When an untested vaccine kills more than just a rampant flu virus, Cassie learns how to survive in a world where the dead walk, and the living…run!