An amalgam of assorted facts in dull prose, flecked with charts. The writing lacks solid organization, with esoteric information sometimes preceding the elementary. While purportedly for the beginner, its ""basic"" material gets rather complicated (e.g., ""When gabbro crystals are small, the rock is called diabase.""). Elements of physical geology are introduced casually and irrelevantly with undefined terms (e.g., ""complex mountains""). The charts are satisfactory, and much of the book could have been presented through them alone.