David Crystal answers fifty questions about language usage  from general enquiries to specific
points of grammar  pronunciation  orthography  vocabulary  idiom  and style.In this compact 
user-friendly book  David Crystal draws on his extensive knowledge and experience to answer
questions from English language teachers and learners from around the world. The book covers
topics ranging from general enquiries about the language as a whole to specific points of
grammar  pronunciation  orthography  vocabulary  idiom and style. The author's responses are
illustrated by personal anecdotes  placed within historical and literary context and supported
by research and corpus data to provide unique  authentic insights.