When is an author appearance not an author appearance? When it’s an interactive theatrical show – one in which suggestions from the audience direct the plot and guide the actors’ performances. To support Pseudonymous Bosch’s Write This Book: A Do-It-Yourself Adventure, a new companion to his Secret Series that leads readers through the steps of writing a story, Little, Brown teamed up with the Story Pirates troupe for an improvisational presentation inspired by the world of the book. They took their show on the road last month, with stops in several cities in New York, Texas, and California. Here are some highlights of the tour.