The best thrillers are tense, full of twists with plots that take you first one way and then another, serving up breath-taking cliff-hangers, driving you crazy with suspense.
In a way one could say the same about the career of thriller writer David Kessler, whose life has taken a few twists of its own since he decided at the age of 15 that he wanted to be a professional writer.
Having made his career choice, he left school without qualifications, and drifted through menial jobs both here and in Israel as he tried to write that elusive thriller.