Originally Posted by stuartnz
.... I would strongly recommend the following three books to anyone who thinks that there is one "proper English" and that anybody not speaking that one variant is just plain wrong:
Linguistics and Your Language — Robert A. Hall Jr.
Language Myths — edited by Laurie Bauer and Peter Trudgill.
The Unfolding of Language - Guy Deutscher.
I'd add this one: The Stories of English - David Crystal