In 'Al-Hajjaj ibn Yusuf Al-Thaqafi: What Is For Him and What Is Against Him,' Osama Sayed Ali Ahmed offers a meticulously researched and balanced perspective on one of Islamic history's most enigmatic and controversial figures. The book delves deep into the life and legacy of Al-Hajjaj, the formidable Umayyad governor whose iron-fisted rule and strategic brilliance shaped an era. Ahmed critically examines Al-Hajjaj's significant achievements in administration, military campaigns, and state consolidation, while also addressing the severe criticisms and controversies surrounding his methods, particularly his ruthlessness and oppressive tactics. This insightful work aims to provide readers with a comprehensive understanding of Al-Hajjaj's complex character, his enduring impact on the early Islamic caliphate, and the historical debates that continue to surround his polarizing actions, allowing for an informed assessment of his true place in history.