Cambridge Experience Readers is a graded readers series of original fiction, adapted fiction and non-fiction especially written for teenagers. Further adventures for twins Andy and Kim (A Little Trouble in Amsterdam, Level 2). This time Andy and Kim, are away with their father in the beautiful Yorkshire Dales in the UK. After discovering a locked door in a supposedly abandoned mine, Kim's curiosity is aroused. What is someone hiding in the mine? And who is the man watching them through the binoculars? This paperback is in American English. Audio recordings of the text are available on our website at: www.cambridge.org/elt/discoveryreaders/ame Cambridge Experience Readers, previously called Cambridge Discovery Readers, get your students hooked on reading.