Notes: © 1977 is the only date. There is no edition or printing or number line on the copyright page. Original painting for the jacket by Don Dixon is on the title page. There are multiple interior paintings, drawings and diagrams from various sources though mostly NASA, Don Dixon, Donald E. Davis and Pat Hill. There are also photographs from a multitude of sources. There are eight pages of paintings bound in, all but one is from Science Year, the World Book Science Annual of 1975. The last one is by Don Dixon.