MELISSA TURNED HER attention from the bookcase to the housekeeper. “What should be here?” she asked, indicating the large gap on the second shelf from the bottom. Anna left her post by the doorway and bent to examine the gap. It was a few moments before she straightened up. “Six or seven books,” she said, without seeming to be aware that her answer was all but useless since it was obvious that it was books that were missing. “Who are they by?” Mitchell asked, guessing at the thinking behind Melissa’s query as he joined the two women. Anna’s brow furrowed. “They’re all by the same person, I remember that, a man, but I can’t remember his name.” She bent again to run her eyes over the other books on the shelf. “It begins with a W. They’re big books, heavy, hardbacks; Lucy won’t take them f