How to curse in hieroglyphics

When Dudley's World-O-Wonders carnival pulls into the town of Wiggins, the residents welcome the distraction. But they do not realize that with the carnival comes the very real curse of Zahara-Safiya, the mummified Egyptian princess, and it is up to twelve-year-old cousins Cheryl and Tweed to draw on their movie-monster knowledge to save the town, and themselves, from certain disaster.