Please note that as each Wednesday Valve has released another chapter in the comic Left 4 Dead, which examines the history of the original Survivor and acts as a link to the DLC coming out in October called "The Sacrifice" . You can read the third chapter of comics at this address in English this time explores the story of Francis showing some links with the Midnight Riders, the band present in Left 4 Dead 2 and the flight of Survivor from the health center where military- were. Good reading.