The Perfect Scent: A Year Inside the Perfume Industry in Paris and New York is a book with two stories on the creation of perfume.  In NYC, Sarah Jessica Parker and Coty Int. launch SJP's Lovely perfume. In France, newly crowned in-house Hermes perfumer Jean-Claude Ellena and Co. creates and launches Un Jardin Sur Le Nil for the luxury house. The author Chandler Burr is the scent critic for T: The New York Times Style…