Robert Conroy is an author of alternate history novels. He resides in suburban Detroit and is a semiretired business and economics history teacher.
- 1901, (1995) ISBN 978-0891418436, his first novel, deals with an Imperial German invasion of Long Island.
- 1862, (2006) ISBN 978-0345482372, is based on what might have happened had the United Kingdom entered into the American Civil War on the side of the Confederacy.
- 1945, (2007) ISBN 978-0345494795, deals with what might have occurred if the Japanese had not surrendered at the end of World War II and a land invasion of the Japanese home islands was required.
- 1942, (2009) ISBN 978-0345506078, which won the Sidewise Award for Alternate History, tells of the Japanese conquest of Hawaii after the attack on Pearl Harbor is far more successful than actually happened.
- Red Inferno: 1945, (2010) ISBN 978-0345506061, deals with a war between the Western Allies and the Soviet Union following the controversial move by the Allies towards Berlin. The move is tragically misunderstood by Stalin.
- Castro's Bomb, (2011) ASIN B005ORV3IM, considers Castro taking control of Soviet nuclear bombs
- Himmler's War, (2011) ISBN 978-1451637618, deals with what might have happened if Hitler had been killed a year earlier than in real life and leadership of Nazi Germany passed to Himmler.
- North Reich, (2012) ASIN B008BVXZXO, considers if Britain had surrendered to Nazi Germany, and had a fascist regime installed across the Commonwealth and Empire, with Canada becoming fascist.
- Rising Sun, (2012) ISBN 978-1451638516, is set in the aftermath of a Japanese victory at the Battle of Midway.
- 1920: America's Great War, (2013) ISBN 978-1451639315, the United States stayed out of World War I and Germany won the war. Germany then uses Mexico as a base to launch an invasion of the United States.
Novels by Robert Conroy
- 1901 (1995)
- 1862 (2006)
- 1945 (2007)
- 1942 (2009)
- Red Inferno: 1945 (2010)
- Castro's Bomb (2011)
- Himmler's War (2011)
- North Reich (2012)
- Rising Sun (2012)