Halloween and tomorrow鈥檚 Friday the 13th could be double trouble for those who are superstitious. But whether or not there is something spooky about Friday the 13th and Halloween, many people are uneasy about those days. For Stephen Graham Jones, a creative writing professor at 欧美口爆视频 Boulder and author of horror novels, he thinks it鈥檚 because people like to believe in magic.