Book Review: Imaging the Heavens: Shrouds of the Night: Masks of the Milky Way and Our Awesome New View of GalaxiesShrouds of the Night: Masks of the Milky Way and Our Awesome New View of Galaxies. BlockDavid L.FreemanKenneth (Springer, New York, 2008). Pp. xx + 411. $39.95. ISBN 978-0-387-78974-3.