Book excerpt: Throughout history, the human quest for knowledge of the divine, has ruffled the wings of many an angel, but also tested the wrath of the demon. This book not traces the history of angels and demons from their earliest roots to their modern day renaissance, but also reveals their most intimate secrets. Whether through personal stories, literature, myth, religion or art, this book is the story of how belief in angels and demons has cast a powerful spell over the popular imagination.