"Jon ... Jen, if you want to stay Jen," said Zoe. "You know I've been interested in the occult for a while. I think I might know what's going on. Maybe someone put a curse on the stone."
"Who would do that?"
"I don't know. But he or she must have cursed it AFTER your grandfather wrote his letter and sent you the stone, because your grandfather didn't mention anything about a curse or the stone not working right."
"Good point. Hey, maybe if we find the guy that cursed it, he can uncurse it."
"Maybe. But we'd have to find him first. Too bad we can't just use the stone to find him. The stone probably will mess things up again."
"Yeah." Jen thought for a moment. "Maybe we should try anyway."
"Are you sure you want to risk it?" Zoe asked.
"Yeah, I'm sure." Jen held onto the stone, took a deep breath, and said "I wish ..."