Dan and Sue are on holiday on Bute, a quiet island off the west coast of Scotland. One evening, while walking their dogs, they notice some men loading mysterious crates onto a boat. What's in the crates? Why are they loading them onto the boat? Where are they headed? Will Dan and Sue be able to solve the mystery this time too? The Helbling Readers Red Series is a series of illustrated graded readers, created and designed specifically for young people. The readers are graded into three levels corresponding to those of the Common European Framework of Reference for Languages. This text is part of the Helbling Fiction Original Stories, a series of original stories written specifically for young learners of English as a foreign language. Engaging stories written by top international ELT authors with many narrative devices and a controlled linguistic level to ensure easy and enjoyable reading. Recorded in British English.