The new graded readers series of original fiction, adapted fiction and factbooks especially written for teenagers. Katy is reluctantly at a children`s camp for the summer. She thinks she`s too old to be with a hundred strangers. But soon it becomes clear that something strange is happening to the other children at the camp. What is it? And why aren`t Katy and her new friend Riley affected? This paperback is in British English. It is also available with a CD-ROM/Audio CD with vocabulary games and complete text recordings from the book.