Book excerpt: Harry Potter: Page to Screen opens the doors to Hogwarts castle and the wizarding world of Harry Potter to reveal the complete behind-the-scenes secrets, techniques, and over-the-top artistry that brought J.K. Rowling’s acclaimed novels to cinematic life. Developed in collaboration with the creative team behind the celebrated movie series, this deluxe, 500-plus page compendium features exclusive stories from the cast and crew, hundreds of never-before-seen photographs and concept illustrations sourced from the closed film sets, and rare memorabilia. As the definitive look at the magic that made cinematic history, Page to Screen is the ultimate collectible, perfect for Muggles everywhere.