This award-winning graded readers series is full of original fiction, adapted fiction and factbooks especially written for teenagers. Twins, Andy and Mary, are in Dublin on a school trip. When Mary discovers that she has been given a forged ?20 note, she thinks she knows the identity of the forger. The twins start to investigate, but it soon becomes clear that the forgers know who Andy and Mary are too. 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.