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 Passage" is a gripping post-apocalyptic novel that follows the journey of a young girl named Amy, who holds the key to humanity's survival. Set in a world ravaged by a government experiment gone wrong, the story explores themes of love, sacrifice, and the fight for redemption. As Amy grows older, she embarks on a perilous quest to find her purpose and confront the sinister beings known as Virals, while a group of survivors battles against the darkness that threatens to consume them all.

In this speculative fiction novel, a psychologist teams up with a neurologist to explore the phenomenon of near-death experiences (NDEs) by using advanced technology that induces and controls these experiences. As they delve deeper into the mysteries of the afterlife, the protagonist becomes increasingly obsessed with understanding what lies beyond life, leading to a series of intense and personal experiments. The narrative weaves together themes of life, death, and the possibility of an afterlife, while also exploring the ethical implications of such research and the profound impact it has on the individuals involved.