Old magic and strange memories swirl through The Art of Navigation, as Elizabethan alchemy and the technologies of the future ingeniously intersect. --Brenda Walker ***1987. Silently the forest closed around them. One, two, three girls left the dark garden and disappeared from sight under the green canopy that reached towards the house on the hill. 1587. Sometimes the visions Mr Kelley sees in the glass clarify as he gazes upon them: as though this precious stone is the lens of Dr Dee's spyglass projecting a scene from far away and Ed, homing in, is polishing the surface with his spying,...