Luminosity, an 80 page volume of poetry by the acclaimed poet, Miriam Sagan, is a poetic study of shadows and light. Through the light reflected in the triangular face of the fox at night, channeled through the prism of crystal, flickering in candles, illuminating in the headlights young lovers walking down the highway at night, or in the cosmic totality of the eclipse, we see the shadow and light of the human soul--joy and sorrow, love and fear,...