Foreword by John McCain to A Code to Keep: The True Story of America's Longest-Held Civilian POW in Vietnam by Ernest C. Brace (St. Martin's Press, 1988) ISBN 0-709-03560-8
Foreword by John McCain to Glory Denied: The Saga of Jim Thompson, America's Longest-held Prisoner by Tom Philpott (W. W. Norton, 2001) ISBN 0-393-02012-6
Foreword by John S. McCain to Unfinished Business: Afghanistan, the Middle East and Beyond – Defusing the Dangers That Threaten America's Security by Harlan Ullman (Citadel Press, June 2002) ISBN 0-8065-2431-6
Foreword by John McCain and Max Cleland to Odysseus in America: Combat Trauma and the Trials of Homecoming by Jonathan Shay (Scribner, November 2002) ISBN 0-7432-1156-1
Foreword by John McCain to Debunking 9/11 Myths: Why Conspiracy Theories Can't Stand Up to the Facts by the Editors of Popular Mechanics (Hearst, August 2006) ISBN 1-588-16635-X
Introduction by John McCain to Pearl Harbor, the Day of Infamy, an Illustrated History by Dan van der Vat (Black Walnut Books, 2007) ISBN 1-897-33028-6