Included because examination of a copy convinced us that here is a ""desk book"" that should be in current stock constantly, to fill a very real need. The ""blurbs"" claim ""500 indispensables"". We picked at random, and found everyone we could reasonably expect to find, adequately covered for quick reference, and with data presented concisely, vividly and practically. A book for classroom libraries, for households where encyclopedias are not possible, for office shelves where such information is frequently required and inaccessible.