This award-winning graded readers series is full 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. Download the complete audio recording of this title and additional classroom resources at cambridge.org/experience-readers Cambridge Experience Readers get teenagers hooked on reading.