A healthy pigeon is recognized by its closed, smooth plumage, lively demeanor, and bright eyes. It delights the heart of every pigeon enthusiast. To ensure that this joy remains unclouded, Werner Lüthgen, a recognized expert in the field of bird diseases, presents in his book both the long-known infectious diseases and the most important non-infectious diseases, such as those resulting from nutritional errors, in a comprehensive manner. Even some occasionally occurring human diseases that can be associated with pigeon keeping have been taken into account. However, the author places particular emphasis on the prevention of pigeon diseases. Written in a professionally competent manner that is also understandable for non-medical readers and accompanied by numerous illustrations, this important guide belongs in the hands of every pigeon lover.