Bilibid Diary: Secret Notebooks of Commander Thomas Hayes
        Published by Archon, 1987.
Combat Diary Episodes from the History of the 22nd Regiment
        Published by Praeger, 1991
Coastwatching in the Solomon Islands: The Bougainville Reports*
        Published by Praeger, 1992
General Chennault's Secret Weapon: The B-24 in China*
        Published by Praeger, 1992
Santiago Campaign of 1898: A Soldier's View of the Spanish-American War
        Published by Praeger, 1993
The Spanish-American War at Sea: Naval Action in the Atlantic
        Published by Praeger, 1995
Commando: The M/Z Unit's Secret War Against Japan*
        Published by Praeger, 1996
The U.S. Navy in World War I: Combat at Sea and in the Air
        Published by Praeger, 1999
FDR's Prisoner Spy
        Published by Pacifica Press, 1999
America at War: The Philippines 1898-1913
        Published by Praeger, 2002
"Packs On!": Memoirs of the 10th Mountain Division*
        Published by Praeger, 2004
"Dig! Dig! Dig!": Memoirs of Gallipoli-1915
        Published by Praeger, 2006
Skip Bombing, coauthored with James T. Murphy
        Published by Praeger, 1993
U.S. Army Historical Dictionary, contributing author.
        Published by Praeger, 1999
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Titles with an asterisk (*) to be published in paperback by Stackpole Books.