What is the quality of subject teaching in our schools? Is it effective? Does it achieve its goals? The book series "Effective Subject Teaching" draws on the expertise of subject didactics and the practical experience of school subjects to answer the question of what characterizes effective subject teaching. Through structured interviews, experts from various subjects are asked about their professional expertise, which is based on the most important research findings and practical experiences from their respective fields. The synthesis of all contributions from the experts in each subject will lead to a condensed answer to the question of what makes effective subject teaching.