Yes, there are some books that really are this delicious.
Off the top of my head, I'm thinking Jane Eyre, Dracula, Frankenstein, The Historian, Through Black Spruce, Three Day Road, The 13th Tale, A Moveable Feast, An Alchemy of Mind, Cherry, Too Close to the Falls, The Incident of the Dog in the Night Time, Better Than Life, To Kill a Mockingbird. . . .
Which ones am I still missing?