Horatio HolmesHoratio Holmes, author of the Ratio Holmes series, has grown a lot since his days at Longtides Elementary. Since then he learned to play the bugle (badly), worked as a writer of competitive mathematics problems, even acted in Hamlet playing the very haracter for who he was named. In other ways, he's still the same as he ever was: an avid reader, a pursuer of justice, and someone who likes his hot dogs with mustard. Read More Read Less