This book investigates the competitive and collaborative processes that led to the identification of the double-helical structure of DNA. James D. Watson, a Nobel Prize-winning molecular biologist, provides a firsthand account of the research conducted at the Cavendish Laboratory in the early 1950s. He details the intellectual environment, the reliance on X-ray crystallography data, and the interpersonal dynamics that drove the discovery of the genetic molecule's architecture.

Experts acknowledge this work as a significant primary source for understanding the history of molecular biology, though they often note its controversial and subjective portrayal of colleagues. Readers frequently highlight the candid, informal prose style that contrasts with the gravity of the scientific breakthrough described.