Title: Tsiolkovsky: His Life, Inventions, and Scientific Works Author: Ya. I. Perelman Publisher: ONTI Year of Publication: 1932 Pages: 64 Format: DJVU Size: 2.92 MB Quality: Excellent, 600 dpi, color covers In this engaging book, the author, who shared a nearly twenty-year friendship with Tsiolkovsky through correspondence, endeavors to outline the key milestones of his life. He paints a vivid picture of the scope of Tsiolkovsky's scientific contributions and clarifies the significance of his most groundbreaking inventions. While not every scientific achievement is covered, the focus is placed on the most pivotal ones—those in which Tsiolkovsky's unique intellect and daring vision truly shone.