Enigmatic - mysterious - intriguing: George Mackay Brown was a notoriously private man. He rarely left his native Orkney, and yet became one of the 20th century's finest poets and prose stylists.

In his prolific writings, George Mackay Brown's spirituality and his love of the wind-scoured island landscape fused to give us some of the most beautiful poetry and prose in the English language. His work is shot through with glimpses of the divine.

Ron Ferguson, who was described by George Mackay Brown as 'a true craftsman in litereature' tracks with curiosity and passion his friend's literary and spiritual journey, including his controversial move from Presbyterianism to Roman Catholicism.