A Security System for Librarians, Booksellers, and Collectors. Original cream wrappers. "The Nature of the Book Thief: There are five basic types of book thieves: (1) the kleptomaniac, who cannot keep himself from stealing; (2) the thief who steals for his own personal use; (3) the thief who steals in anger; (4) the casual thief; (5) the thief who steals for profit."