Bradford Matsen is the author of Descent: The Heroic Discovery of the Abyss as well as many other books abou the sea and its inhabitants. He was a creative producer for the television series The Shape of Life, and his articles have appeared in Mother Jones, Audubon, and Nature, among other publications. He divides his time between Seattle and New York City. John Chatterton and Richie Kohler contributed to the research of Titanic's Last Secrets, as they did for Robert Kurson's Shadow Divers, the 2005 Book Sense Nonfiction Book of the Year.