Justine van der Leun is a freelance writer whose work has appeared in "O, The Oprah Magazine," "Marie Claire," "Every Day with Rachael Ray," and "The New York Observer," among others. She is the co-author with Sergio Esposito of "Passion on the Vine: A Memoir of Food, Wine, and Family in the Heart of Italy." Her travel memoir "Marcus of Umbria" will be published by Rodale in 2010.