ISBN-13: 9781841677415 / Angielski / Miękka / 2010 / 36 str.
Donna, Lu, Kelly and Rachel arrange a sleepover at Lu's. After watching horror DVDs, it's time to go out to the summer house where they're all meant to be sleeping. But there are spooky noises outside and then the burglar alarm goes off. Lu's parents don't believe the girls when they say it wasn't anything to do with them. But what was it?