Author of Motherless Brooklyn and The Fortress of Solitude, Jonathan Lethem is one of the most celebrated and significant American writers working today. This new scholarly study draws on a deep knowledge of all Lethem's work to explore the range of his writing, from his award-winning fiction to his work in comics and criticism. Reading Lethem in relation to five themes crucial to his work, Joseph Brooker considers influence and intertextuality; the role of genres such as crime, science fiction and the Western; the imaginative production of worlds; superheroes and comic book traditions; and the representation of New York City. Close readings of Lethem's fiction are contextualized by reference to broader conceptual and comparative frames, as well as to Lethem's own voluminous non-fictional writing and his adaptation of precursors from Franz Kafka to Raymond Chandler. Rich in critical insight, Jonathan Lethem and the Galaxy of Writing demonstrates how an understanding of this author illuminates contemporary literature and culture at large.