It’s called El Toque de la Luna —The Touch of the Moon. At least that’s how nineteen-year-old Gabby’s older sister, Esperanza, refers to the magical powers she inherited from their Mayan ancestors. Esperanza says women with El Toque weave magic into their knitting, creating tapestries capable of saving—or devastating—the world. Gabby thinks Esperanza is more like touched in the head—until a man dressed like a candy corn arrives at their Seattle home on Halloween. But “Mr. C” is far from...