Arc Light is the debut novel by Eric L. Harry, a techno-thriller about limited nuclear war published in September 1994 and written in 1991 and 1992. As China and Russia clash in Siberia, and war brews between the US and North Korea, a series of accidents and misunderstandings lead to a Russian nuclear strike against the United States. The U.S. retaliates against Russia, and World War III begins. The novel focuses on four key groups: