A set of two books: "The Lost Key" and "Textbook of Murder Techniques." - Title: The Lost Face - Author: Tomoya Sakurada - Genre: Novel - Title: Sales Techniques of an Assassin - Author: Yu Nomiya - Genre: Novel Thank you for viewing. Both books were purchased by mistake, so they are new, unread hardcover editions. Would you like them as a gift? *If you are at all concerned or are a highly sensitive person, please refrain from purchasing to avoid any trouble. *No price reduction is possible.