A Little Trouble in Dublin : Cambridge Experience Readers Level 1

Cambridge Experience Readers is an award-winning series of graded readers including original fiction, adapted fiction and non-fiction 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.