Anne Ford writes: “Sonya Knisley, head of children’s services at Clark County (Ohio) Public Library (CCPL), has seen it happen over and over again. Someone walks into her location and applies for a library card—with one obvious aim. ‘As soon as they get their card, they immediately place a hold on a ghost-hunting kit,’ Knisley says. Like many libraries, CCPL has begun loaning out collections of specialized electronic items said to help seekers of the supernatural track down spirits.”