Zombies Year of Infection 2012 Calendar. This Zombies 2012 calendar is a pulse-pounding, suspenseful chronicle of the zombie apocalypse. Follow Dr. Robert Twombly’s yearlong journey as he heads north, where he hopes the undead will be slowed by the colder climate. Encountering scores of the infected along the way, Twombly chronicles his experiences through graphic drawings and detailed descriptions of zombies along with his terrifying tales of survival. This frightening Zombies Year of Infection 2012 Calendar will keep fans running for their lives all year long!