Action adventure novels are loved by readers. When you are sitting on a long boring flight somewhere they don't take much time to read and they are a good way of passing time.
People are talented in different fields and most of the time its one's creativity that makes you become recognized. With that the writing field does hold a greater power because all that is required is how creative you are as well as how good you can put together a script or write a book for that matter.
Many people who have ever tried writing about war or fight know how hard it is. However, this kind of writing needs a wide range of details for visualizing the action and this, in turn, will need to be fast-paced.