The book "Life and literary correspondence of Peter Ivanovich Rychkov", written by the academician P.P. Pekarsky and published in 1867 by the Department of Russian Language and Literature of the Academy of Sciences in St. Petersburg, is a valuable historical and biographical work dedicated to the life and activities of Peter Ivanovich Rychkov (1712-1777) - a famous Russian geographer, historian and local historian, the first researcher of the South Urals. Volume and structure of the publication: The book consists of IV, 184 pages and includes a portrait of P. I. Rychkov, as well as a facsimile of his handwriting. It was published as part of the "Collection of articles read in the Department of Russian Language and Literature of the Academy of Sciences" (Volume II, No 1). Contents: Work P.P. Pekarsky covers in detail the biography of Pyotr Ivanovich Rychkov, his contribution to the study of geography and history of the Orenburg region, and also contains his literary correspondence, which allows a deeper understanding of the scientific interests and personality of this outstanding scientist of the XVIII century. Availability: The original 1867 edition is rare and of interest to collectors and researchers.