This book is a detailed account of a Venetian merchant's extensive travels throughout Asia during the 13th century. The narrative provides a comprehensive exploration of the diverse cultures, customs, landscapes, wildlife, and wealth of the Eastern world, including the Mongol Empire and China, where the author spent time in the court of Kublai Khan. His descriptions of the grandeur and sophistication of these civilizations challenged European assumptions about the East, and his tales of exotic wonders and adventures continue to captivate readers today.

The novel is a sprawling epic that spans the period from the 1893 World's Fair to the years following World War I. It follows the stories of several characters including the anarchist Traverse family, a group of balloonists, a detective, and a mathematician. The book explores themes of anarchism, capitalism, and technology, and incorporates elements of science fiction, adventure, and historical fiction. It is noted for its complex structure and dense, multifaceted narrative.