From an estate sale in a different language looks to be Russian for my gather from translation

Russian 7.62 mm Rifle Cartridge: History and Evolution”
The author's name is R. N. Chumak (Р. Н. Чумак).
It appears to be a historical reference book covering the development and evolution of Russian/Soviet 7.62 mm rifle ammunition, with photographs, cartridge illustrations, and technical drawings.