We all had the basic rules of punctuation drilled into us at school, but punctuation pedants have good reason to suspect they never sank in. ‘Its Summer!’ screams a sign that sets our teeth on edge. ‘Pansy’s ready’, we learn to our considerable interest (‘Is she?’) as we browse among the bedding plants.

It is not only the rules of punctuation that have come under attack but also a sense of why they matter. In this runaway bestseller, Lynne Truss takes the fight to emoticons and greengrocers’ apostrophes with a war cry of ‘Sticklers unite!’