" Looking up from the narrow cobblestone pavement of Dyott Street, he couldn’t see anything more than the overhanging eaves above the third-floor windows, but the westering sun threw a segmented silhouette of the building’s roof onto the walls of a couple of old lodging houses across the street, and, looking that way, Fairchild could see the spidery shadow of the wooden tower that stood between the chimneys up there. He thought he could even make out a blur at the top of the tower, which would be the clown…thinking. "

― Tim Powers , The Properties of Rooftop Air