Book excerpt: This edition is fully updated to give students the support they need to master more than 7,000 words and phrases in American English. Following the popular in Use format, new language is taught in manageable two-page units with presentation of vocabulary on the left-hand page and innovative practice activities on the right. Suitable for self-study or classroom use, the books are informed by the Cambridge International Corpus to ensure vocabulary taught is useful, up-to-date, and presented in a natural context.