"Product Groups in Book Retail" primarily targets trainees and career changers who want to gain a profound insight into the industry. However, trainers and decision-makers also receive detailed information about their product range, and practitioners benefit from numerous suggestions for building and optimizing their departments. Product groups serve to capture sales in a differentiated manner. Within this economic framework, they convey content. Since both economic and content-related aspects are involved, product groups reflect the world of book retail. The author team, consisting exclusively of trained booksellers, presents a comprehensive and vivid picture of the industry, showcasing not only the departments of the general assortment but also selected specialized areas. Each product group addresses organizational and sorting options as well as trends.