Designer <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Gilles+Mendel&family=editorial&specificpeople=638035 ng-click='$event.stopPropagation()'>Gilles Mendel</a> attends ASSOULINE, Martine and Prosper Assouline host a book signing for Ketty Pucci-Sisti Maisonrouge's 'The Luxury Alchemist' at Assouline at The Plaza Hotel on September 18, 2013 in New York City.