If Philip K. Dick is our homegrown Borges (as Ursula K. Le Guin once said), then Waldrop is our very American magic-realist, as imaginative and playful as early Garcia Marquez or, better yet, Italo Calvino. . . . You never know what he'll come up with next, but somehow it's always a Waldrop story.--Michael Dirda, The Washington Post Waldrop subtly mutates the past, extrapolating the changes into some of the most insightful, and frequently...