Kathryn Walker’s forthcoming debut novel A STOPOVER IN VENICE, “about a young woman who leaves her husband, a famous musician, and their unhappy marriage for an adventure in Venice” features characters with similarities to her ex-husband James Taylor–along with Carly Simon, Jason Robards (an old friend of the author) and co-founder of the National Lampoon Douglas Kenney (the author’s boyfriend at one point). But none of this connections are even hinted at in the author’s bio or the presentation of the book, as the NYT notes. “So why isn’t Knopf doing some name-dropping to give the book a promotional boost? […]