When it comes to what she likes to do best, it’s reading, talking about books and wearing flip flops to work at Parnassus, the bookstore she co-owns in Nashville. Ann Patchett is also the author of 8 novels, a memoir, a collection of essays and a children’s book. She says one of the biggest thrills in her life was the moment her friend Tom Hanks agreed to narrate the audio version of her latest best seller “The Dutch House.”