The document discusses Coll, the Scottish island where author Mairi Hedderwick lived and which inspired the setting for her children's book series Katie Morag. It provides details about Coll's location in the Hebrides, its landscape and small population of 170 people, and how visitors can travel there via ferry from Mull or helicopter. Visitors to Coll can stay in bed and breakfasts or self-catering accommodations and activities include fishing, birdwatching, cycling, and relaxation.