" Edna restored the toffee to the centre of her tongue and sucking pleasurably, resumed her typing of Naked Love by Armand Levine. Its painstaking eroticism left her uninterested--as indeed it did most of Mr. Levine's readers, in spite of his efforts. He was a notable example of the fact that nothing can be duller than dull pornography. "

― Agatha Christie , The Clocks (Hercule Poirot, #30)