Topics have replaced manuals as the most prominent form of user assistance. Therefore, technical communication students need to learn how to write effective topics. Although Darwin Information Typing Architecture is a commonly used implementation of topic-based writing, many organizations use alternative approaches. This chapter describes the evolution of topic-based writing, describes Every Page is Page One topics, and outlines and discusses strategies for teaching topic-based writing. It includes an overview and a discussion of a topic-based writing assignment used in one graduate technical communication course. Through this assignment, students develop rhetorical strategies that are flexible and transferable to any topic-based writing role.