Unusually for a Christian book, William P. Young's The Shack (Now A Major Motion Picture ) caused quite a stir in the wider publishing world. For those unfamiliar, it is a story about a man in the wake of life-wrecking tragedy, who finds himself the invited guest of the triune God in a shape-shifting cabin in the middle of a forest. All sorts of healing and self-understanding and provocative conversational exchanges ensue, as you might imagine. The book was unexpectedly popular (topping the New York Times Best Seller list for fiction between 2008 and 2010) and predictably controversial. Among the several charges laid against it by 'concerned evangelicals' was the 'idolatrous' depiction of the first and third Persons of the Trinity – as an African-American woman, in the case of God the Father, and as an Asian woman, in the case of God the Holy Spirit. Now, actually, old habits die hard and I am still 'concerned evangelical' enough to be rather uncom