"One of the most distinctive features of the Golden Age is the fact that its longest lasting and best remembered writers were female. Agatha Christie, Dorothy L. Sayers, Margery Allingham and Ngiao Marsh – the four Queens of Crime – came, at least in retrospect, to dominate our picture of crime-writing in the 1930s.
Why did these women come to the fore, and why are they still read today more often than their brilliantly talented male counterparts Nicholas Blake and G. K. Chesterton?
In part, it could have been the subject matter towards which they leaned: the detailed and the domestic, stories with lots of female characters, the layering up of a densely constructed plot through a process rather like knitting."
That's Lucy Worsley talking about 'The Queens of Detective Fiction', and you can read the rest of her short article here. I like the knitting analogy - no loose ends, no dropped stitches, just the right amount of ease, and an even tension throughout ....