The Concise Oxford Dictionary by Judy Pearsall
This dictionary comprehensively covers the vocabulary of the English-speaking world. It features hundreds of new words and meanings with a special focus on fast-changing areas of the language such as new technology, e-commerce, fashion, and youth culture. In addition there is a 40-page section including information on countries and nationalities, alphabets and accents, weights and measures, and a games and puzzles wordfinder. There is also a grammar guide and a section covering the language emerging through new technologies such as SMS.