1. A general survey by many authors of very recent discoveries and ideas is given by:The New Solar System: 1981, Beatty, J. K., O'Leary, B. and A. Chaikin (eds.), Camb. Univ. Press and Sky Corp., Camb. Mass.
2. A wise ranging survey of astronomy and the Solar system is: Mitton, S.: 1977,Cambridge Encyclopedia of Astronomy, Camb. Univ. Press. (Chapters 6, 77, 9, 10, 11, and 12 are relevant now).
3. More detailed accounts of certain topics are given in: Short, N. M.: 1975,Planetary Geology, (Prentice Hall).
4. Brown, G. C. and Mussett, A. E.: 1981,The Inaccessible Earth, George Allen and Unwin, London.
5. Excellent pictures of the terrestrial planets and of the Galilean satellites with a detailed commentary are contained in: Guest, J., Butterworth, P., Murray, J., and O'Donnell, W.: 1979,Planetary Geology, David and Charles.