Categories Books Book: The Rule of Four Post author By dave Post date October 28, 2006 No Comments on Book: The Rule of Four A pretty decent novel about uncovering a code in a five-hundred year old novel. Except that the codes used would easily fall to modern code-breaking techniques without the need to solve the puzzles. Share this:LinkedInFacebookTwitterMoreRedditTumblrPinterestPrintEmailLike Loading... Related ← Book: The Lady and the Unicorn → Book: Trouble is my Business Leave a Reply Cancel reply