100 Bullets Book Four Author:Brian Azzarello The fourth volume of the best-selling graphic novels series 100 Bullets written by Brian Azzarello and illustrated by Eduardo Risso. — This dark and intriguing Eisner Award-winning series features a mysterious agent named Graves who approaches ordinary citizens and gives them an opportunity to exact revenge on a person who has wronged them. Offe... more »ring his clients an attaché case containing proof of the deed and a gun, he guarantees his "clients" full immunity for all of their actions, including murder.