There are over 3000 shows playing at the Edinburgh Fringe over the month of August, lots and lots to discover and whilst you may wish to fill your schedule with new things that you have never seen before, sometimes it can feel nice to return to a favourite and make a repeat visit, and that is what I did here.   As an avid fan of those cosy murder mysteries, where you always know that the baddie will be caught and some of the clues stand out like sore thumbs, I couldn’t resist