Figuring out perplexing puzzles is "elementary" for Sherlock Holmes, but now you've got a chance to show off your smarts, too! Match wits with the dastardly Moriarty and other scoundrels as you try to break codes, sort out stolen loot, and solve tricky riddles crucial to untangling crimes. Give this one a shot: Sherlock Holmes handed a piece of notepaper to Dr. Watson. The following sequence of letters was written on the paper O T T F F S R S E N...