Dary Matera is an American author and journalist known for writing non-fiction books, particularly in the genres of true crime and biography. He has authored several books, some of which include "Are You Lonesome Tonight?: The Untold Story of Elvis Presley's One True Love and the Child He Never Knew" and "John Dillinger: The Life and Death of America's First Celebrity Criminal," showing a knack for exploring the lives of complex and fascinating individuals. His works often delve into extensive research and provide detailed accounts of the subjects he covers.