Zombie Patrol: Walking Plague Trilogy #1

Los Angeles County park ranger, Jack Carter, is about to discover that not all is as it seems in his tranquil life. Once responsible for patrolling the many public parks, in particular the popular Griffith Park with its famous observatory and zoo, Jack is about to discover that a whole new kind of animal roams his woods. The undead kind. It begins when his brother, on leave from the military, arrives sick. Deathly sick. Jack's concern turns to alarm when his own flesh and blood turns on him...