Understanding space : an introduction to astronautics 
Jerry Jon Sellers ; with contributions by William J. Astore, Robert B. Giffen, Wiley J. Larson ; editor, Douglas Kirkpatrick ; text design by Anita Shute ; illustrations by Dale Gay 
 - 3rd ed 
 - New York  McGraw-Hill Companies  2005 
 - xviii, 774 p. : ill. (chiefly col.) ; 26 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780073407753 
<br/><br/><label>ISSN: </label>2007310002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics - Textbooks<br/>Outer space - Exploration - Textbooks<br/>Space trajectories - Problems, exercises, etc
<br/><br/><label>Dewey Class. No.: </label>530.11 SEL