The Vault (The Farm #3) by Emily McKay (2014) - - - With Lily exposed to the Tick virus, it’s up to Mel and Carter to search for the cure. Carter recruits human rebels from the Farm in San Angelo to infiltrate the guarded kingdom of the vampire Sabrina and steal the cure. Mel goes back to her mentor, her friend, her betrayer, Sebastian, who is the only one who can access an underground vault that may house the secret to the cure.
The Breeders by Katie French (2014) --- 16-year-old Riley Meemick is one of the world's last free girls. Her parents do everything possible to keep her from the Breeders -- disguising her appearance and moving from one desolate farm after another. When the Sheriff abducts the adult members of her family Riley along with her 8-year-old brother Ethan and the unknown Clay set out to rescue her family.