The Cuckoo Clock of Doom (Classic Goosebumps #37)

"Don't beat the clock! Tara the Terrible. That's what Michael Webster calls his bratty little sister. She loves getting Michael in trouble. Making his life miserable. Things couldn't get any worse. Then his father brings home the antique cuckoo clock. It's old. It's expensive. And Dad won't let anyone touch it. Poor Michael. He should have listened to his dad. Because someone put a spell on the clock. A strange spell. A dangerous spell. And now Michael's life will never be the same again..." --