The novel tells the story of a disillusioned American musicologist who leaves his life in New York City to embark on a journey to an untouched, primitive part of the Amazon jungle in South America. He is in search of ancient musical instruments. Along the way, he experiences a spiritual and philosophical transformation as he reconnects with nature and the primal roots of humanity. He also falls in love with a native woman, further deepening his connection to the land and its people.

The book is a historical novel that recounts the War of Canudos, a conflict in late 19th-century Brazil over religious fanaticism, political instability, and social inequality. The story is centered around an apocalyptic movement led by a charismatic, messianic figure who convinces the poor and downtrodden to rise up against the Brazilian government, leading to a brutal and bloody conflict. The book explores themes of faith, power, poverty, and the destructive potential of fervent belief.

"Measuring the World" is a historical novel that reimagines the lives of two brilliant and driven men, German mathematician Carl Friedrich Gauss and German geographer Alexander von Humboldt. The narrative alternates between the two protagonists, exploring their individual quests to quantify and understand the world. Gauss, a child prodigy from a poor family, rises to become one of the greatest mathematicians in history, while Humboldt, a wealthy and ambitious explorer, embarks on a five-year journey across South America. Their paths converge in a humorous and touching manner, highlighting the contrast between their approaches to knowledge and discovery.

"Eva Luna" is a magical realism novel that tells the story of the eponymous protagonist, an orphaned girl in a South American country who uses her gift of storytelling to navigate through life. As she grows, she becomes a servant, a lover, and a revolutionary, always using her stories to bring comfort, provoke thought, and incite change. The narrative is a rich tapestry of characters, politics, and history, all woven together with a touch of the fantastical.