"No serious astronomical library can be complete without it."aJournal of the British Astronomical Association
"The book contains the results of the exploration of Venus by spacecraft during the period 1962-1978. . . . The book represents an excellent review of the principal results of Venus in the period covered."aBulletin of the Astronomical Institute of Czechoslovakia
"A wealth of new information."aScience
"Strongly recommended."aScience Books & Films
Donald M. Hunten is Regents' Professor of Planetary Sciences at the University of Arizona.