The Old Man of Lochnagar is a 1980 children's book written by King Charles III, at that time the Prince of Wales, and illustrated by Sir Hugh Casson. The story revolves around an old man who lives in a cave in the cliffs surrounding the corrie loch under the Lochnagar, a mountain which overlooks the royal estate at Balmoral in Scotland where the Royal Family spend much of their summer holidays.The story of the old man of Lochnagar was one King Charles had told some years earlier to entertain his brothers, Andrew and Edward, when they were young. The book was published in 1980 in aid of The Prince's Trust charity.The book was later adapted into an animated short film by the BBC, with Robbie Coltrane providing the voice of the hermit and Prince Charles narrating. The film was titled The Old Man of Lochnagar in the UK and The Legend of Lochnagar in North America. The book was also adapted into a musical stage play. In 1984, Prince Charles read the story on the BBC children's programme Jackanory. He has also read it in Welsh and Scottish Gaelic translations on television.In 2007, National Youth Ballet of Great Britain received permission from the Prince of Wales to create a new ballet based on the story. With choreography by Drew McOnie and a commissioned score by Nigel Hess, the ballet received its première at Sadler's Wells Theatre, London on 14 October 2007 and was performed from 24 to 27 October at Leatherhead Theatre in Surrey. Source: Wikipedia (en)