The plot of the book 'Структура класса феодалов и формы феодального землевладения в Дагестане в XVIII первой половине XIX века' by [Author's name] is a comprehensive study of the class of feudal lords and their estate groups, as well as the various forms of feudal land ownership in Dagestan during the 18th and early 19th centuries. The author, an expert in the field, has conducted extensive research using all available sources and literature, as well as the works of predecessors, to provide a detailed and thorough examination of this important social class and its impact on the region. The book begins with an introduction to the history of Dagestan and the role of feudal lords in its society, providing context for the reader. The author then delves into the structure of the feudal class, including the different estate groups and their relationships with one another. This section is particularly insightful, offering a nuanced understanding of the complex web of alliances and conflicts that existed among the feudal lords. Next, the author explores the various forms of feudal land ownership, including the use of serfs, leasehold, and other forms of tenure.

''