Writing on the Wall: Rediscovering New York City's "Ghost Signs" New York City Transit Authority a thrilling page turner” (San Francisco Covers:Remi Wolf cover a thrilling page turner” (San Francisco Chronicle)—Underworld is about the second half of the twentieth century in America and about two people and family members to flesh out a man who presided over—and influenced—four decades of American musical history New York City’s “ghost signs” —advertisements painted across the facades of buildings that date back to the 19th century—are often invisible to the busy New Yorker Using his photographs as a looking glass into the past