Collaborative Project among 4 schools from Turkey, Spain, Greece &France. It contains a series of activities through which students will work as detectives on the literary figure of Sherlock Holmes, delve deeper in the works of Sir Arthur Connan Doyle and on the films and serials inspired by his work. Using deductive methods, students will learn about each other and their countries and cultures and create collaborative stories and case-solving activities. It will develop the key competences and the methodology will be mainly participative and highly collaborative,with the use of new methodologies such as PBL, gamification and flipped classroom.