When I started 'First Blood,' back in 1968, I was deeply influenced by Geoffrey Household's 'Rogue Male.'
One of the advantages of having gone to Penn State was having had a scholar for a mentor - Philip Young. Also, a professional writer named Philip Klass taught there. He was a science fiction writer whose pseudonym was William Tenn. As a professional writer, he brought wisdom to teaching because he'd done it for a living.
Some people might be surprised that 'Rambo's creator has a doctorate in American literature. One of my influences is Henry James, whose major theme is awareness. Whether I'm writing about military personnel, law enforcement, or De Quincey, the persistent theme is paying attention in a hostile world.
I have a graduate degree from Penn State. I studied at Penn State under a noted Hemingway scholar, Philip Young. I had an interest in thrillers, and it occurred to me that Hemingway wrote many action scenes: the war scenes in 'A Farewell to Arms' and 'For Whom the Bell Tolls' come to mind. But the scenes don't feel pulpy.
If you chase the market, it's not going to come to you. You have to have faith in yourself. I think one of the differences in what I call 'civilians' and 'authors' is that we have an antenna hat buzzing all the time.
Before I start a project, I always ask myself the following question. Why is this book worth a year of my life? There needs to be something about the theme, the technique, or the research that makes the time spent on it worthwhile.