The publication of the book is timed to coincide with the 140th anniversary of the birth of Mikhail Vasilyevich Sabashnikov (1871–1943), book publisher and public figure. It includes materials published for the first time from the personal archive of M. V. Sabashnikov: letters from Siberia in 1902, a front-line diary of 1915, rare photographs, including those taken by the author himself. The new edition complements the previously published memoirs (“Notes”) of M. V. Sabashnikov. The book also includes a description of the archive of the Publishing House of M. and S. Sabashnikov, stored in the Manuscript Department of the Russian State Library, and a complete Catalog of books published by the publishing house, allowing a complete to better assess the scale of publishers’ activities and their contribution to national culture.