She tried to shake off the inhibitions of a lifetime and set off towards the hill. She climbed it feeling fragile and was intensely nervous, filled with thoughts of what she had been told about this mound. That witches gathered there each new moon; that the fairy folk, with their silver skins and strangely jointed limbs, lived beneath it; that it was the centre of the world and the protecting walls of cloud spun slowly around with the top of the hill as their pivot. As she reached the top she saw a fire had been lit in the middle of a wide circle of flat stone slabs. On the other side of the fire from her sat the old man, unexpectedly tall with a face invisible under his thick dirty beard but with eyes a friendly, warm brown. He said nothing, just looked at Ana as though sizing her up for some task. She felt like a free labourer being assessed by a potential client. He began to play on a small drum -- a simple repetitive beat that got inside Ana’s head. She could see the sparks risi...