They only meant to scare him.Mr. Griffin is the strictest teacher at Del Norte High, with a penchant for endless projects and humiliating his students. Even straight-A student Susan can't believe how mean he is to the charismatic Mark Kinney. So when her crush asks Susan to help a group of students teach a lesson of their own, she goes along. After all, it's a harmless prank, right?But things don't go according to plan. When one "accident" leads to another, people begin to die. Susan and her friends must face the awful truth: one of them is a killer. Leave the lights on when reading this classic thriller! This new edition features modernized text and a new introduction by Lois Duncan, the master of teen horror.

Author Biography

Lois Duncan is an acclaimed suspense author for young adults. She has published nearly 50 books for children, including I Know What You Did Last Summer, which was adapted into a highly-successful horror film, and Who Killed My Daughter?, a non-fiction book about the harrowing experience of her daughter's murder.