Beyond its housing estates and identikit high streets there is another Britain. This is the Britain of mist-drenched forests and unpredictable sea-frets: of wraith-like fog banks, druidic mistletoe and peculiar creatures that lurk, half-unseen, in the undergrowth, tantalising and teasing just at the periphery of human vision. How have the remarkably persistent folkloric traditions of the British I...