The Dorling Kindersley guides are considered to be the most convenient and reliable guides. They contain full, practical information, detailed atlases and maps, numerous illustrations and reference materials for countries, cities and continents.
The book publisher Dorling Kindersley additional needs no introduction. Approximately half of the distribution consists of a series Eyewitness Companions. Also available in a book of the series Complete Manual and Visual History - Visual Guide. If the number of books on the subject, they are in separate folders (except for the aforementioned series). With a dozen books on their own.