Complex sentence: Anthony Swofford, born 12 August 1970 in Fairfield, California, is a former United States Marine and author of the book "Jarhead", published in 2003, and based on his accounts of various situations encountered in the first Gulf War.
Split into simpler sentences: Anthony Swofford, born 12 August 1970 in Fairfield, California, is a former United States Marine and author of the book "Jarhead", published in 2003. His book is based on his accounts of various situations encountered in the first Gulf War.