The book "Handbook of cataloging in the library" by the well-known author in the library environment John Henry Quinn is a fundamental source of knowledge for librarians and specialists in document studies. This book examines in detail the principles of cataloging book collections, describes the standards and rules necessary for the high-quality work of library catalogs. The author systematically explains the main stages of the cataloging process, using practical examples and recommendations. This book is an integral part of library practice and an important reference for anyone interested in the organization and management of library resources.