The textbook "Hairdressers and Hairdressers. Professional Knowledge by Learning Fields" by Westermann is a comprehensive educational resource specifically designed for the training of hairdressers. It covers all the content of the 13 learning fields according to the current federal framework curriculum and takes into account the latest changes in vocational training that came into effect in 2021. The learning field-oriented structure of the book allows for a structured and targeted engagement with the relevant topics. The book includes up-to-date information, contemporary visual material, and intensively addresses the areas of customer consultation, communication, and marketing. Additionally, the topics of digitalization and sustainability are integrated into all learning fields, highlighting the relevance of the content for modern professional practice. Numerous review and project tasks, as well as excursions into various specialized topics, promote understanding and application of the learned material. A glossary and an index of terms facilitate access to important technical terms and support learners in their training.