"Carly's found the best Halloween mask ever. With yellow-green skin and long animal fangs the mask terrifies the entire neighborhood. But before long, it's having a surprising effect on Carly too. Halloween is almost over, but fright night is just beginning. Because when she tries to take it off . . . it won't budge!" -- Back cover.

Includes: Behind the screams. First published in the US by Scholastic Inc, 1993.