American Libraries offers some spooky statistics about Halloween, including the number of live “ghostcams” (6) at Willard Library in Evansville, Indiana, which some claim is haunted by the Grey Lady; the number of books sold worldwide by Goosebumps and Fear Street author R.L. Stine (400 million); and the number of items in the Witchcraft Collection at Cornell University in Ithaca, New York (3,000).