Dowson Nick. Fifty shades of grammar

Pearson ELT Professional Development.3 pages.Some comments to the book "Longman Grammar of Spoken and Written English" by Douglas Biber, Stig Johansson, Gejffrey Leech, Susan Konrad, Edward Finnegan, Pearson 1999 and some ideas about grammar in general and some grammar pecularities.
There're 3 parts: A convenient Fiction, The Grammar Book and So what we are to do?
It's maybe interesting for teachers and people who are interested in English and in particular English Grammar.