The textbook "Optical Microscopy" by Jörg Haus offers a comprehensive introduction to the world of light microscopy, which has been an indispensable tool in the fields of medicine, biology, and materials science for over 150 years. The author explains the fundamental principles and the structure of various types of light microscopes. The controls and their impact on image quality are detailed. In the subsequent chapters, the most important contrast methods and modern high-resolution techniques that have revolutionized optical microscopy are discussed. The text is clearly and understandably written and includes numerous practical application examples as well as microscopic images that support the understanding of the subject matter.