Book excerpt: Young Gregor MacDonald is thrilled when he gets a set of bagpipes for his birthday. Now he can be just like Grandad. But each time he starts to play, an awful noise sounds, Honk-eeyyoww! And each time, he hears the same angry cry, 'You can't play here!'Poor Gregor goes from house, to loch, to barn and to hillside disturbing people, until he finds acceptance in the most unlikely of places.