Eva Mendes, the actress and entrepreneur, 49, announced exclusively with PEOPLE that she will publish her debut children’s book, Desi, Mami, and the Never-Ending Worries with Macmillan Children’s Publishing Group. The book will hit shelves on Sept. 17 in both English and Spanish. Mendes says: "Desi, Mami and the Never-Ending Worries is a love letter to my kids and yours. … [Read more...] about Eva Mendes’ Debut Children’s Book