ESNAULT-PELTERIE, ROBERT. L'Exploration par Fusées de la très Haute Atmosphère et la Possibilité des Voyages Interplanétaires. vii, [1], 96 pages. Published as a special supplement to the Bulletin de la Société Astronomique de France * L'Astronautique. 9 folding charts. [4], 248 pages, plus errata leaf. the rocket scientist eugen sänger's copy, with a signed inscription to him from esnault-pelterie dated 1937 on page [7], and Sänger's(?) scattered technical marginalia * L'Astronautique. Complément. Folding table. 93, [9] pages. Together, 3 volumes. 8vo, first in later 1/4 morocco with original buff wrappers bound in, spine faded, joints rubbed, second in later cloth-backed wrappers with worn original front wrapper laid down, third in later cloth with original front wrapper bound in; contents of all 3 volumes clean. Paris: Société Astronomique de France, 1928; A. Lahure, 1930; Société des Ingénieurs Civils de France, 1935