Oh dear. I’ve been away from the blog for so long that I feel I should mark my return with something stupendously interesting. Truth is, the Coursera Roman Architecture course* threw up all sorts of fascinating things but I was so busy keeping up with the lectures that there was no time to post them.

I’ll be doing some updating of the blog after Crimefest this weekend and an evening at New Malden Library next Tuesday (20th May) with William Ryan and Imogen Robertson. Meanwhile, here’s what I’...