Over the course of the six Stephanie Plum novels, it could be said that what has drawn readers is a certain lack of development: the reader knows to expect parody, slapstick humor, and a tangle of multiple plot lines when they pick up any Stephanie Plum novel. This is not to say that the novels are poorly constructed or repetitive: rather, this shows Evanovich's constant use of humor to explore serious issues and her gift for convoluted plots. Indeed, reading the books as a series deepens the reader's appreciation, as the ongoing romance of Stephanie and Joe Morelli, the sexual tension between Stephanie and Ranger, and the development of supporting characters like Lula all represent long-term plot developments. However, perhaps the most marked change is that of Grandma Mazur. Having initially appeared as a fairly traditional widow in One for the Money, she is now Dirty...