I LOVE this book. I am a huge fan of supernatural. It is my absolute favorite show. If you have seen the show and your a fan also then you will adore this book. John Winchesters journal tells you about Mary's death and everything about his quest to find her killer. You learn about Dean and Sam's life after the killing of their mother and how they reacted to all of the hunting evil creatures thing throughout the journey. It also gives you all the information about supernatural beings that the boys learned from their father. If you ever wondered what all was in that big brown book nows your chance to figure out. Supernatural lovers, this book will fill you in on the boys from their mothers death and throughout the time they were on the road with their father!!!