The book "Монашество и монастыри в России XI XX века" by historian A. A. Kozlov provides a comprehensive overview of the history of monasticism and monasteries in Russia during the 11th and 12th centuries. The book explores the development of monasticism in Russia, from its origins in the 10th century to its decline in the 13th century, and examines the role of monasteries in Russian society and culture. The author argues that the evolution of monasticism in Russia was closely tied to the political and social changes of the time, and that monasteries played a crucial role in preserving and transmitting knowledge and culture. The book is divided into several chapters, each of which focuses on a different aspect of monasticism in Russia. The first chapter discusses the early history of monasticism in Russia, including the establishment of the first monasteries and the spread of Christianity throughout the country. The second chapter examines the growth and development of monasticism in the 11th and 12th centuries, including the rise of powerful monasteries such as the Kievan Caves Lavra and the Troitse-Sergieva Lavra. The third chapter looks at the impact of Mongol invasion on Russian monasticism, and how monasteries adapted to the new political and social reality. The fourth chapter explores the role of monasteries in the cultural and intellectual life of Russia during this period, including their contributions to literature, art, and architecture.

''