"'I can always tell when you're reading somewhere in the house,' my mother used to say. 'There's a special silence, a reading silence.' I never heard it, this extra degree of hush that somehow traveled through walls and ceilings to announce that my seven-year-old self had become about as absent as a present person could be. The silence went both ways. As my concentration on the story in my hands took hold, all sounds faded away. My ears closed. Flat on my front with my chin on my hands or curled in a chair like a prawn, I'd be gone. I didn't hear doorbells ring, I didn’t' hear suppertime called, I didn't notice footsteps approaching of the adult who'd come to retrieve me. They had to shout 'Francis!' near my head or, laughing, 'Chocolate!'" Francis Spufford, The Habit, in The Best American Essays, at 274 (2003 ed.).