Kathryn Davis wrote the multilevel and arresting Duplex in a feminine palette, by which I mean the chief characters, the main driving focus, and the lens through which life is viewed, are all female. And on this palette she has loosed an array of forces and fictional effects, which readers (like me) will struggle to come to grips with. She tells a story of shifts in the fabric of space and time, of robot guides to eternity, which features a sorcerer who takes souls. I find it quite the challenge...