Based on original research and exclusive interviews, this book tells the story of how the Harry Potter books, movies, theme parks, fandom and more were created. Including the creative processes, the marketing aspect, and the legal issues that arose, this publication aims to be a behind-the-scenes of the Harry Potter phenomenon.

With the testimony of editors, artists, publicists, and producers, Secret History of the Wizarding Phenomenon features rare facts and oddities from the publication of the books and the making of the films that changed and connected the lives of millions.

For those who grew up with Harry Potter, this book will spark memories of the early days. For those who are just discovering the franchise, this book will take you on a journey to understand the widespread popularity of the boy wizard.

From an idea on a train to one of the biggest franchises in the world, this is the tale of how J.K. Rowling, alongside publishing houses, production companies and creative teams, made Harry Potter the phenomenon that it is today.

Foreword by Bryony Evens, who discovered Harry Potter according to J.K. Rowling.

Note: This is an unnoficial book and it has not been authorized by J.K. Rowling or Warner Bros.