Lee Harvey Oswald is drawn into a conspiracy to assassinate President John F. Kennedy by shadowy figures seeking to manipulate geopolitical events. The novel traces Oswald's life, from his early disillusionment and defection to Russia, to his recruitment by CIA operatives who see him as the ideal pawn for an assassination attempt designed to frame Fidel Castro. The narrative explores Oswald's complex psyche and his yearning to be an agent of history, juxtaposed against the machinations of intelligence agencies and the volatile political climate of the early 1960s. The story unfolds through a fragmented, multi-perspective lens, weaving together Oswald's personal narrative with the broader conspiracy.

Don DeLillo's 'Libra' is widely recognized as a significant work of historical fiction that probes the Kennedy assassination through a fictionalized lens. Critics often highlight DeLillo's masterful prose and his ability to create a hauntingly real portrait of Lee Harvey Oswald, exploring the man behind the myth. The novel is praised for its intricate plotting and its examination of the complex interplay between individual lives and historical forces. Its fragmented narrative structure and thematic depth contribute to its reputation as a challenging yet rewarding exploration of a pivotal moment in American history.