Ah thanks. I hope it's the combination of thrills -- and emotion. It's one thing to stir the pulse and stir the brain -- but my hope is, you care about David and his journey and so we are also stirring your heart.
Here's the truth: If you write a book thinking, "OH boy this will make a great TV show or movie," your book will suffer. Don't do it. A book is a book. A TV series is a TV series. They are and should remain very different experiences.