Faster, Grittier, Darker, Deadlier…Chris Ryan Extreme When an old friend makes a desperate call for help, former SAS Warrant Officer Joe Gardner is thrust back into the line of fire. His journey leads him into the deadliest favela in Brazil, where violent gangs, crazed hitmen and trigger-happy paramilitaries lurk. Gardner’s only hope of staying alive is through his supreme survival skills and warrior’s instinct.