I hear over and over and over again how a writer must have an agent to sell books overseas. I even used it as one of the reasons in an earlier post about why a writer might want to have an agent. But is it your agent, the person you hired in New York, who actually sells your book overseas? Of course not. And that’s where the myth and misinformation really gets out of hand in this area about agents. I can hear a few of the thoughts out there right now. Writer Boy has lost it. On one hand he says it is a reason to get an agent…