Johnson, Gaylord. Discover the stars; : a beginners's guide to the science of astronomy and the earth satellite [electronic resource] / [by] Gaylord Johnson [and] Irving Adler. Illustrated with astronomical photos. and explanatory drawings.. — [Rev. and enl. ed.].. — New York, : Sentinel Books Publishers, [c1957]. — 146 p. : illus. — (Sentinel books series,) 17.