This article was originally posted on AussieTheatre.com at http://aussietheatre.com.au/reviews/screwtape-letters-canberra-theatre-centre  There are many ways that Hell could be represented on stage. Walking into The Courtyard Studio of the Canberra Theatre Centre to find an office straight out of a Sherlock Holmes novel was, needless to say, not what I expected. This austere academic venue is wallpapered by…