Summary: Near Valtos, in Trotternish on the Isle of Skye, there is an old dun called the Dùn Dearg. There is a story connected to it – a story called ‘The Giants of Dùn Dearg’. Find out more about these giants and what happened to them in this week’s letter. Accompanying Gaelic text, grammar points and vocabulary are all available at bbc.co.uk/litir