For Dawn, writing is a little like breathing. If she doesn't do it for a while, she begins to feel faint and disoriented. It's always been so, maybe because she believes with Terry Pratchett that "writing is the most fun you can have by yourself," and definitely because she finds writing a challenging and illuminating process. Weaving a text means exploring ideas in new and often surprising ways, with the writing process itself guiding the author along paths of discovery much like a candle lights a flickering trail through the narrow passages of a medieval castle. Some routes are straightforwa...