Book excerpt: "About as close you can get to the perfect cerebral thriller: searingly smart, ridiculously funny, and fast as hell. Lexicon reads like Elmore Leonard high out of his mind on Snow Crash." —Lev Grossman, New York Times bestselling author of The Magicians and The Magician King “Best thing I've read in a long time . . . a masterpiece.” —Hugh Howey, New York Times bestselling author of Wool Stick and stones break bones. Words kill. They recruited Emily Ruff from the streets. They said it was because she's good with words. They'll live to regret it. They said Wil Parke survived something he shouldn't have. But he doesn't remember. Now they're after him and he doesn't know why. There's a word, they say. A word that kills. And they want it back . . .