"978-0-399-16384-5" . . "X (novel)"@en . . . . . . "\"X\" is the twenty-fourth novel in the \"Alphabet\" series of mystery novels by Sue Grafton. It features Kinsey Millhone, a private detective based in Santa Teresa, California, a fictional version of Santa Barbara, California. The novel, set in the late 1980s, finds Kinsey pursuing a sociopathic serial killer. It was published by G.P. Putnam's Sons, and released in the United States on August 25, 2015"@en . . .