by Donald W. Cox (Author), P. E. James H. Chestek (Author), Arthur C. Clarke (Prologue by)

Maps of The locations of asteroid craters on the earth on endpapers.

Author Biography

Donald W. Cox, ED.D., has authored ten books on space flight. He was NASA's first coast-to-coast lecturer and is a leading authority on space flight.
James H. Chestek, P.E., (1928-1997) retired from a thirty-five-year career as an aerospace engineer, where his work focused on a variety of space projects, from interplanetary probes to the Strategic Defense Initiative.