It appears that I was naive to assume the Tunguska explosion of 1908 had been adequately explained. It was a meteorite or, more probably, a comet that exploded above a remote area of Siberia, wasn’t it? Not necessarily! This fascinating book shows that we still await a completely adequate scientific explanation and the jury is still out on what precisely the object was.
This is a nice little guide for the non-specialist collector of all things that go bump from above (and the effects they have on the rocks they impact).
It is a wonderful state of affairs that we can not only now write detailed books about planetary geology and geomorphology of the bodies in the solar system, but we can also illustrate them with wonderful photographs.