Now that the present has caught up with William Gibson's vision of the future, which made him the most influential science fiction writer of the past quarter century, he has started writing about a time-our time-in which everyday life feels like science fiction. With his previous novel, Pattern Recognition, the challenge of writing about the present-day world drove him to create perhaps his best novel yet, and in Spook Country he remains at the top of his game. It's a stripped-down thriller that reads like the best DeLillo (or the best Gibson), with the lives of a half-dozen evocative characters connected by a tightly converging plot and by the general senses of unease and wonder in our networked, post-9/11 time.