 Self credits Céline's book "Journey to the End of the Night" with inspiring him to write fiction.Zack Busner is a recurring character in Self's fiction, appearing in the short story collections "The Quantity Theory of Insanity", "Grey Area" and "Dr. Mukti and Other Tales of Woe", as well as in the novels "Great Apes", "The Book of Dave", "Umbrella" and "Shark".Busner is a psychiatrist and psychoanalyst practising in London, and is prone to self-promotion at the expense of his patients.