You’re never too old for a little adventure. That premise was the driving force behind the story of TNTDUK. When Mark Tullius approached me and asked if I would be interested in joining the world of Try Not to Die (a hugely popular and sprawling series of author-written Choose Your Own Adventure® style books), there was no hesitation in my answer: “YES!”

Writing the story was a challenge. I’ve never written anything like it before and had no clue how to go about formatting a book that takes the r...