Levantovsky, Valentin. Mechanics of Space Flight in Elementary Exposition (Mekhanika kosmicheskogo poleta v elementarnom izlozhenii), 1980. In Russian.

Левантовский, Валентин Иванович. Механика космического полёта в элементарном изложении. 3-е издание, дополненное и переработанное.
Москва: Наука, Главная редакция физико-математической литературы, 1980.
512 с. Твёрдый издательский переплёт, увеличенный формат. Состояние: Хорошее.
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Levantovsky, Valentin Ivanovich. Mechanics of Space Flight in Elementary Exposition (Mekhanika kosmicheskogo poleta v elementarnom izlozhenii). 3rd edition, revised and enlarged.
Moscow: Nauka, Main Editorial Board for Physics and Mathematics Literature, 1980.
512 pp. Hardcover, enlarged format. Condition: Good.

This 1980 edition is the definitive version of what is widely considered the most influential Soviet textbook on orbital mechanics. Valentin Ivanovich Levantovsky, a key ballistician at Korolev’s OKB-1 during the heroic era of Sputnik and Vostok, achieved the nearly impossible: a mathematically rigorous yet "elementary" exposition of space flight dynamics.
The book covers everything from the basics of Keplerian orbits to complex interplanetary trajectories, lunar transitions, and atmospheric entry. Unlike dense academic treatises, Levantovsky’s work is renowned for its physical intuition and clear visualizations of gravity assists and orbital maneuvers. For decades, this "bible of ballistics" served as the primary entry point for Soviet engineers and cosmonauts into the science of celestial mechanics. This third edition, significantly expanded to include new data from the planetary missions of the 1970s, remains a cornerstone for any collection dedicated to the history of space exploration and Soviet science.