Cook book author Dianna Kennedy, 99, author of 1972 cookbook The Cuisines of Mexico, as well as The Tortilla Book and My Mexico, died on Sunday. Book publisher Merloyd Lawrence, 89, died in Cambridge, MA on June 27 of congestive heart disease. She was the co-founder of Seymour Lawrence and over the course of her career worked at Addison-Wesley, Perseus Publishing, Da Capo Press, Basic Books and Hachette. A memorial will be held at King’s Chapel in Boston, with a date in October to be decided.