This document provides information about a planned teaching unit on Sherlock Holmes for a 5th year Italian high school class. It will take place over two 4-hour lessons and use various teaching tools. The goals are to develop skills in critical thinking, contextualizing authors historically, and understanding different perspectives. Students will learn about Arthur Conan Doyle and Sherlock Holmes, how detective stories became popular, and aspects of Victorian England. Lesson plans include warm-up activities, video analysis, readings, discussions, and creative writing. Context on Holmes, detective stories, and the Victorian era will also be provided to students.