Something scary is happening in GOOSEBUMPS HORRORLAND, the all-new, all-terrifying series by R. L. Stine. Just how scary? You'll never know unless you crack open this classic prequel!Carly Beth thinks she's found the best Halloween mask ever. With yellow-green skin and long animal fangs, the mask terrifies the entire neighborhood. Before long, it has a surprising effect on Carly Beth, too. She tries to take it off . . . but it won't budge!Halloween is almost over, but fright night is just beginning.Now with all-new bonus materials!