David Kessler is an author of thrillers both under his own name and under the pen names of Adam Palmer and Dan Ryan. He struggled for years to become a published author, before being published by Hodder Headline in 1996. He also wrote a non-fiction work about London’s Wimbledon Common murder. His works include 15 Hours, A Fool for a Client and The Moses Legacy. He lives in a Jewish area of London.