The book presents the result of the joint work of a group of authors - leading dermatovenerologists from various countries. The original, English-language version of the book (ABS of Dermatology) has already been reprinted 4 times, which indicates its relevance in the medical world. The authors set themselves the task of highlighting the most common skin diseases in as much detail as the format of the guide allows, and in the 4th edition they sought to take into account the current achievements of diagnosis and treatment. The form of presentation of the material, the brevity of the description and the rich illustrative material allow the book to be used in everyday work for diagnostic difficulties.