The book follows the lives of two Jewish cousins, one a skilled escape artist and the other a talented artist, before, during, and after World War II. They create a popular comic book superhero, which brings them fame and fortune. However, their success is complicated by personal struggles, including the escape artist's attempts to rescue his family from Nazi-occupied Prague and the artist's struggle with his sexuality. The narrative explores themes of escapism, identity, and the golden age of comic books.

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.

The book is a novel that combines surreal adventure with philosophical inquiry, telling the story of an expedition to a mysterious, inaccessible mountain that represents a spiritual quest. The mountain, which connects Earth to Heaven, can only be perceived by those who have refined their inner vision. The narrative follows the explorers as they embark on their journey, facing various challenges and revelations that mirror the inner landscapes of human consciousness and the pursuit of enlightenment. As the climbers ascend, the novel delves into themes of reality, symbolism, and the pursuit of the absolute, ultimately leaving the reader with a contemplation of the unattainable peak of human knowledge and experience.