About
Agent 21 is a series of YA action-adventure/thriller novels by British novelist Chris Ryan . “Agent 21” is the title given to Zak Darke, who gets recruited by a government agency following his parents’ deaths.
Reading Order
Agent 21 is a series of YA action-adventure/thriller novels by British novelist Chris Ryan . “Agent 21” is the title given to Zak Darke, who gets recruited by a government agency following his parents’ deaths.