The authors try with this book to create a canon for Freddy Krueger. While the insight is not so dense, the pictures are intriguing. This book does explain the low budget approach of the "Nightmare on Elm Street" motion picture franchise.
Unlike Jason Voorhees and the "Friday the 13th" franchise, the "Nightmare" producers realized the endless potential of fiend who kills teenagers in their sleep. By "A Nightmare of Elm Street Part IV," Freddy Krueger took on an anti-heroic James Bond persona.