Akam Al -Murjan mentioning the famous cities everywhere

Since the twenties of this century, the book (Al -Marjan) is still the subject of research due to the ambiguity surrounding it and its author. The author, Ishaq bin Al -Hussein, the mine, is almost unknown, and he is known only to his name. Our writer belongs to the Geographic Sports School, whose rules were established by Ptolemy. The rules of this school are summarized by dividing the world into seven regions, and adopting length and width lines to identify cities and villages. And Ishaq bin Al -Hussein explained his adoption, "The first line of the earth is the line of Morocco, and the equator, which is the landline line." Although "Al -Acam" appears as a geographical dictionary, the author followed a special approach in which it mixed between presenting the importance of the city and the cities of the same region, abandoning the observance of the alphabet. It displays the sacred Islamic cities first, then returns to Baghdad "because it is the origin of the cities", then to the secret