' Can you remember whether you'd had a dream? One perhaps that seemed very real? '

'Oh yes.' Heidi's eyes met his. ' I dream every night that I'm back with Grandfather and can hear the wind whistling through the fir trees. I know in my dream the stars must be shining brightly outside, and I get up quickly and open the door of the hut - and it's so beautiful. But when I wake up I'm always still here in Frankfurt. '