The book follows the story of Abu Telfan, a Moroccan man who embarks on a perilous journey through the Mountains of the Moon, a mountain range in East Africa. Throughout his journey, he faces numerous challenges and hardships, but also experiences personal growth and self-discovery. The novel is a thrilling tale of adventure and survival, filled with vivid descriptions of the African landscape and insightful reflections on human nature and the struggle for survival.

This book is a combination of three works by a Roman historian and politician, focusing on the political and military events of the late Roman Republic. It first covers the conspiracy led by Catiline in 63 BC, then shifts to the war against Jugurtha in North Africa, and finally provides a fragmentary history of Rome from 78-67 BC. The author uses these events to critique the moral decay of Rome, highlighting the corruption, greed, and ambition that he believed led to the fall of the Republic.