The textbook "Fachrechnen im Gastgewerbe" by authors Jürgen Herrmann and Helmut Klein is aimed at learners in both basic and specialized levels of the hospitality industry. With a total of 312 pages, it provides a comprehensive introduction to the mathematical fundamentals that are essential for professional practice in the hospitality sector. The 25th edition, set to be released in December 2024, is written in German and contains up-to-date content tailored to the needs of the industry. The book features a sturdy cardboard cover, making it robust and durable. It is part of a series that addresses specific professional topics in the hospitality industry, thus serving as a valuable resource for students and professionals looking to deepen their mathematical knowledge. The clear structure and practical examples facilitate the understanding and application of mathematical concepts in everyday professional situations.