Ghost Plots: Analyzing the stories J.K. Rowling left out of the Harry Potter books

When J.K. Rowling talked to readers, she would sometimes mention something that had happened in Harry Potter and watch a puzzled look cross the other person's face, as they wondered for a moment whether they had accidentally skipped twenty pages somewhere. The problem, as she once put it, was literally in her own head. Over the seventeen years she spent writing the series she developed dozens of storylines that never reached the books, and which seemed to her quite as real as the final cut....