Chwerw'n troi'n chwarae

Knots and Crosses (also written Knots & Crosses) is a 1987 crime novel by Ian Rankin. It is the first of the Inspector Rebus novels. It was written while Rankin was a postgraduate student at the University of Edinburgh. In the introduction to this novel, Rankin states that Rebus lives directly opposite the window in Marchmont that he looked out of while writing the book.