Mr. C. - doing sterling work in the borders, as I write - recommends Weeds, Weeding (& Darwin): The Gardener's Guide by William Edmonds.
'Know your enemy' is the gist of the book with its profiles of 100 common weeds and 20 ways in which to tackle them, but it also makes a virtue of necessity, pointing out the therapeutic nature of weeding:
' "Nothing is so interesting as weeding. This is what Robert Louis Stevenson claimed in his later life, prefacing his remark with, "I would rather do a good hour's weeding than write two pages of my best." '
And Christopher Lloyd - "Many gardeners will agree that hand-weeding is not the terrible drudgery that it is often made out to be. Some people find in it a kind of soothing monotony. It leaves their minds free to develop the plot for their next novel or to perfect the brilliant repartee with which they should have countered a relative's latest example of unreasonableness."
As for Darwin, William Edmonds' mentor, he left the weeding to his gardeners ...