Mother and son authors, Iris and Roy Johansen, team up to discuss their latest collaboration, *Silent Thunder*. The story is a suspense tale about a mysterious submarine that holds a dark secret. This is a rare appearance by Iris Johansen, who has written 17 consecutive *New York Times* bestselling novels. She lives in Georgia. Edgar Award-winner Roy Johansen, Iris Johansen's son, is a novelist and screenwriter. He lives in southern California with his wife.
Iris Johansen was born on April 7, 1938. She worked for a major airline for many years and traveled extensively. Now, Iris Johansen is a bestselling writer, who has sold more than twenty million copies of her books in print and has won many awards for her achievements in writing. Iris lives near Atlanta, Georgia, where she is currently at work on a new novel, while her daughter, Tamara Brooking, serves as her research assistant. Her son, Roy Johansen, is an Edgar Award-winning screenwriter and novelist, and they have collaborated in some projects.