This is an extremely interesting, accurate and comprehensive review of the status of English in the world. Being the second edition, all the data are revised and information is updated. David Crystal presents a neat review of English in all the spheres of life - cinema, broadcasting, politics and elsewhere, providing with dates of "first recorded usages" and later development of the language in a certain field. There is a section of New Englishes, where illustrative points from emerging varieties are presented in reference to vocabulary, grammar, pronunciation and discourse. David Crystal also makes invaluable speculations about the emerging syllable-timed nature of New Englishes and presents the conflict over the officiality of English in the USA. There is an absolute balance of presentation of the positive and negative sides of English on the global scale, its side effects and benefits. Alongside his neutral, from-the-outside observations, Professor quotes other authors' opinions about the situation, both favourable and pejorative.
On the whole, the book is very comprehensive, detailed, learned and extremely interesting, claiming the expert hand that wrote it.
I advise everybody to read this must-run book, also to enjoy the sistering "Language Death", which I am going to do soon.