Frank and Joe go undercover as the Living Dead to infiltrate a Zombie Crawl that has acquired a notorious reputation -- a teenager in Zombie makeup appears to accidentally die in the last Zombie Crawl through Bayport. Will the Undercover Brothers and Agents of A.T.A.C. discover whats really going on in Zombieland or become the next accidental victims? As if that weren Frank and Joe go undercover as the Living Dead to infiltrate a Zombie Crawl that has acquired a notorious reputation -- a teenager in Zombie makeup appears to accidentally die in the last Zombie Crawl through Bayport. Will the Undercover Brothers and Agents of A.T.A.C. discover whats really going on in Zombieland or become the next accidental victims? As if that werent enough-- theres something dark and sinister happening while everyones distracted by zombie madness! Could this possibly be linked to the eerie events also occurring in River Heights, home of Nancy Drew? This story sets up one of the most unexpected events in Hardy Boys history – but thats the shocking story that awaits in THE HARDY BOYS: THE NEW CASE FILES Graphic Novel #2!