"Memoirs of Hadrian" is a historical novel written by French author Marguerite Yourcenar. It presents a fictional autobiography of Roman Emperor Hadrian, who ruled from 117 to 138 AD. The narrative explores Hadrian's reflections on his life, his philosophical thoughts, and his experiences as a leader during the Roman Empire's height. The book delves into themes of love, power, and mortality, as Hadrian contemplates his legacy and the challenges of governance. It also highlights his relationship with Antinous, a young Greek boy, and the impact of their bond on Hadrian's life and reign.