Book excerpt: The Participatory Cultures Handbook will help students and scholars navigate this rapidly changing media and cultural terrain. Composed of newly commissioned essays from contributors across disciplines, this handbook will introduce students to the concept of participatory culture, explain how researchers approach participatory culture studies, and provide original examples of participatory culture in action. The wide range of topics explored in participatory culture include crowdsourcing, citizen journalism, fanfiction, wikis, video games, video sharing, transmedia storytelling, and much more.