Cooper is a documentary photographer who has specialized in shooting graffiti and street art for more than thirty five years. Her books include “Subway Art, a collaboration with Henry Chalfant,” “R.I.P.: Memorial Wall Art, Hip Hop Files 1980-1984,” “We B*Girlz, Street Play,” “New York State of Mind,” “Tag Town,” “Going Postal” and “Tokyo Tattoo 1970.” She lives in Manhattan but can frequently be found at street art festivals worldwide.