The Nightmare On Elm Street Companion Book By Jeffrey Cooper. This book is a rare find in unused condition. I have two copies available. These were found in an old building slated for demolition. You can be the owner of this new old stock collectors edition book. The Nightmare on Elm Street Companion is a documentary book about the first three films of the A Nightmare on Elm Street film series by Jeffrey Cooper. It features a behind-the-scenes look into the A Nightmare on Elm Street films. The book also features 75 black-and-white photographs along with 8 that are in full color.