Plot catalysts make it difficult for a character to achieve their goals. If you’re writing an Action story, there are three main plot catalysts you’ll want to include in your book—a speech in praise of the villain, a deadline or ticking clock, and one or more set-piece action sequences.Tune into this episode to hear a sneak peek from my new book, The Story Grid Masterwork Analysis Guide to Harry Potter and the Sorcerer’s Stone, and hear how Rowling used plot catalysts to keep readers engaged....