Wolfgang Hammersmith is a real Black Ops veteran. When he first set out to write “Beyond Call of Duty: Gunfight! 10 True Stories from Modern Warfare and Black Ops,” a book chronicling his wartime experiences, Hammersmith originally thought his audience would be restricted to military history buffs. It turns out that it’s gamers who are most interested Hammersmith’s real-life experiences. Speaking to Gamasutra, Hammersmith shared his thoughts on Call of Duty series, and also pointed out an interesting error on Call of Duty: Black Ops’ box art… …