Encyclopaedia of the Arabic Umayyad Dinars and Dirhams by Ali Alajlan
The encyclopaedia consists of all the Dinars and Dirhams that were minted during the Umayyad era which the author is aware of. The book sheds light on 1207 unrepeated Dinars and Dirhams that were minted in 105 different cities, from which, 39 Dirhams have never been published before. The content of this book presented through two methodologies; a geographical and chronological orders. The book consists of 6 chapters, 41 sub-chapters, and number of tables and charts. It is over 400 pages long, with over 1,000 pictures in high-resolution.