Gamal El-Din El-Shayyal's 'Collection of Fatimid Historical Documents on Islamic Egypt' offers an invaluable compilation for researchers and historians. This seminal work meticulously gathers and presents a wealth of primary source materials, shedding light on the administrative, social, and economic facets of the Fatimid Caliphate's rule in Egypt. By focusing on authentic documents, El-Shayyal provides an unfiltered glimpse into a pivotal era of Islamic history, making this book an essential reference for understanding the complexities and nuances of Fatimid governance and society.