photo credit: Joe McGovern [http://instagram.com/p/P4U5HxrA7a/] via Instagram Today at Grand Army Plaza Greenmarket [http://www.grownyc.org/grandarmygreenmarket], author Robin Shulman [http://robinshulman.com/the-book/the-story/] will be hanging out at the info tent to promote her new book, “Eat the City,” a history of urban