Heliopolis (ancient Egypt) from him the true length of the year and month, upon which he formed his octaeterid, or period of 8 years or 99 months. Ptolemy II had Manetho, the chief priest of Heliopolis, collect his history of the ancient kings of Egypt from its archives. The later Ptolemies probably took little interest in their "father" Ra, and Alexandria had eclipsed the learning of Heliopolis; thus with the withdrawal of royal favour Heliopolis quickly dwindled, and the students of native lore deserted it for other temples supported by a wealthy population of pious citizens. By the 1st century BC, in fact,
Monarchs, Rulers, Dynasties and Kingdoms of the World book begins with a bibliography arranged by author's name in alphabetical order, followed by a Guide to Dynasties and States, a 150-page section giving brief descriptions and indicating where the related list(s) can be found. It is a good reference for finding the main rulers of a particular part of the world at various times. Tapsell briefly describes some royal family ties and attempts to help the reader locate many of the early realms of the world using the modern map, providing some history on each country or province. Minor criticisms of the book center on the complicated nature of