"W. Kent & Co's Annual Catalogue, October 1858" is a valuable document which became an enlightening source for readers in the middle of the 19th century Great Britain. Produced by W. Kent and Co., the catalog contains a wide range of books introduced to the book market in October 1858. In addition to the list of publications, the catalog provides useful information about literary novelties, helping book fans to choose a work to their taste. This catalog book is not only an important source of information for book lovers of that time, but also a testimony of the cultural and intellectual development of society in the 19th century.