The article is devoted to the problems of publishing activity of the Troitskosavsko-Kyakhtinsky Subbranch of Priamursk Branch of Imperial Russian Geographical Society (TKS PBIRGS) during the pre-revolutionary period. The formation and development of book publishing of the TKS PBIRGS are considered with reference to archival and office work materials, taking into account the data from the scientific works, reflecting scientific representations of the past. The analysis is given to the sources of bibliographic character: the printed goods of the TKS PBIRGS. The overall picture of book publishing of the TKS PBIRGS is reconstructed. A comprehensive approach to studying of book publishing of the TKS PBIRGS caused the analysis of distribution of printed goods of the Subbranch. It is noted that the products of the TKS PBIRGS were distributed not only free of charge by means of book-exchange with other scientific organizations but also through book-selling institutions. On the basis of the conducted research, the valid conclusion is drawn that the TKS PBIRGS paid special attention to its publishing activity, promoting distribution of results of its scientific research among the general public both in Russia and abroad. The condition of TKS PBIRGS publishing practice was defined by tendencies of development of the regional science and culture, the level of local printing base. The output of book production depended on financial opportunities of the Subbranch, qualification of local scientific experts. It is obvious that the publishing activity of the TKS PBIRGS represents an important stage of the book culture of Transbaikalia.