This interactive lesson provides an introduction to the mystery genre with a link to a video. Vocabulary is included with additional explanations of the elements of mysteries. This is both a lesson and a review of mystery genre terms. Vocabulary includes alibi, detective, witness, sleuth, evidence, mystery, clue, crime, victim, suspect, and red herring. Slides with questions are self checking. Links are also provided for two videos. Great for grades 4-8.