Collateral Damage offers both a sophisticated analytical treatment and a comprehensive history of Sino-Vietnamese relations in the 1960s and 1970s, thus presenting a persuasive explanation of the emergence of Sino-Vietnamese friction in the 1960s and the emergence of Sino-Vietnamese animosity and war in the 1970s. -- Robert S. Ross, professor of political science, Boston College Nicholas Khoo returns to the roots of international relations theory to explain how the Chinese, Soviet, and Vietnamese behavior toward one another during the 1960s and 1970s because of their relative power. He uses new information released in China in the form of memoirs, scholarly works, and archival publications to tell a dramatic and in some ways tragic story with insight and vividness. -- Andrew J. Nathan, Class of 1919 Professor of Political Science, Columbia University Nicholas Khoo has performed a great service in offering a cogent and persuasive argument on the causes of the demise of the Sino-Vietnames alliance during the later decades of the Cold War. -- Robert Sutter H-Diplo Roundtable