Tig and Jamie go to stay at their Grandad’s farm. He warns them not to go into the old mines on the hill. However, Jamie is keen to explore and she persuades Tig to go up to the mines. At the entrance to the mines they find some interesting objects, and realise someone has been into the disused mines recently. That night, Tig sees some car lights heading towards the mines, and he, Jamie and Grandad go to investigate. Emerald level (equivalent to the Lime bridging book band) provides a variety of chapter books and non-fiction titles. Readers are encouraged to experience different text types, writing styles and genres to develop their own reading tastes. PM Plus Chapter Books (levels 25–30) provide a selection of stories chosen for their broad range of content, characters, topics and points of view. The high-interest topics include adventure, emergencies, natural disasters, risk-taking, historical events and investigation. #pm19-offer