All morning I struggled with the sensation of stray wisps of one world seeping through the cracks of another. Do you know the feeling when you start reading a new book before the membrane of the last one has had time to close behind you? You leave the previous book with ideas and themes--characters even--caught in the fibers of your clothes, and when you open the new book, they are still with you. Well, it was like that. All day I had been prey to distractions. Thoughts, memories, feelings, irrelevant fragments of my own life, playing havoc with my concentration.