The World of Blue Blood, its history, its secrets, its legends. The information is strictly confidential. Do not disclose to outsiders. For the Prince of Darkness himself, with the help of bribery and cunning, learned the secret names of the gatekeepers, those who keep the keys to the gates that block the seven paths of the dead and do not allow the forces of darkness to enter our world and destroy it. And he is ready to pay any price and commit any crime to get this priceless information. A new book in a series that has sold millions of copies!