At the Abyss: An Insider's History of the Cold War (ISBN 0-89141-821-0) is a 2004 autobiographical book about Thomas C. Reed's experience at Lawrence Livermore National Laboratory through his time as an advisor to President Ronald Reagan. It reveals new details about the 1962 Cuban Missile Crisis, the Central Intelligence Agency, the Farewell Dossier, and other facets of the Cold War.