Code Zero

Code Zero is the sixth novel in the Joe Ledger series written by American author Jonathan Maberry. It was first published in March 2014 by St. Martin's Griffin.

Synopsis
For years the Department of Military Sciences has fought to stop terrorists from using radical bioweapons - designer plagues, weaponized pathogens, genetically modified viruses, and even the zombie plague that first brought Ledger into the DMS. These terrible weapons have been locked away in the world's most secure facility. Until now. Joe Ledger and Echo Team are scrambled when a highly elite team of killers breaks the unbreakable security and steals the most dangerous weapons. Within days mass slaughter and murderous insanity spread across the American heartland. Joe Ledger and Echo Team must fight to stop the Land of the Free from turning into the land of the dead