How niche should you go with your books? This week's interviewee is Dr. Guy Windsor. He's well known as a martial arts instructor who teaches people the art of sword fighting, but he's also a well-known author in this particular genre or niche. In fact, he's published over 30 books on the subject, and he's created courses too.I first came across Guy Windsor's work in 2015 when he appeared on The Creative Penn Podcast hosted by Joanna Penn, but he's been writing about martial arts and sword fighting and teaching all of the ideas in his books for over 20 years.So, I was fascinated to catch up with somebody who is, firstly, able to sustain an interest in such a niche or specific topic for so long and, secondly, in somebody who was writing about a topic that would have a really specific market.In this episode, we discuss:Combining your real-world interests with your writing interestsUsing Amazon as a lead generation toolHow to format and translate your books appropriatelyThe importance of discipline and motivation in your craftResources:Website: Sword SchoolSupport the showIf you enjoyed the show please leave a review on Apple. And if you have any questions you can find me on Twitter @BryanJCollinsThanks for listening!