New York art gallery White Columns will be hosting a signing with photographer Ari Marcopolous this upcoming Friday, April 15. The signing will mark the launch of his new book, Directory, which coincides with his most recent project consisting of hundreds of black and white Xerox prints of photos Marcopolous shot between 2007 and 2010. White Columns is located at 320 West 13th Street (Enter on Horatio Street, between Hudson and 8th Avenue), New York, NY 10014. The event begins at 6 PM. For more information visit whitecolumns.org. There will also be an after party beginning at 9:30 PM, located at The Jane, 113 Jane St., New York.