Ovalov, Leo. 3 Book: Tales of Major Pronin. Copper button. Lemon grain. In Russian (ask us if in doubt)/Ovalov, Lev. 3kn.:Rasskazy mayora Pronina. Mednaya pugovitsa. Limonnoe zerno. Series: A Retro Library of Adventure and Science Fiction, The Collection . M. Prestige Beech 2018-2019, 432 and 528 and 400 pages. SKUalbdea1934b458b097b.