Hugh Kennedy's When Baghdad Ruled The Muslim World explores the Abbasid Caliphate's golden age, detailing how Baghdad became a center of power, culture, and knowledge from the 8th to 10th centuries, with insights into key caliphs, intellectual achievements, and political dynamics that shaped Islamic and world history.

'Route of the Caliphate' is an enlightening journey through the history of the Islamic caliphates, showcasing their political, cultural, and scientific achievements. A must-read for history buffs.