 A novel concerning Prof. Rhymer, entitled "The Yellow Death", was published the following year.Key's recurring occult detective, Prof. Arnold Rhymer, is an English medical doctor and lecturer who works closely with Scotland Yard on various cases involving the unusual, weird and/or exotic.Portrayed as a tall, lean, agile and young man, Rhymer is a ghostbuster who depends on his Holmes-like deductive mind and cunning wits to defeat supernatural opponents.