The trusted reference—now with on-the-go access Whether you're in school or out in the work world, communicating clearly and correctly is key to your success. With easy-to-understand explanations of grammar rules and plenty of real-world examples and tips, this authoritative reference is just what you need to speak and write with confidence and ease. Now more accessible than ever, this edition has been updated to include: A new chapter on punctuation, including common punctuation mistakes Expanded coverage of commonly misspelled words and variances in spelling More intuitive organization, making it easier to navigate Visual elements that enhance your understanding of specific grammar problems Free online access to portions of the book for an on-the-go reference to commonly misspelled words; common punctuation errors; variances in spelling among the U.S., the U.K., and Canada; and frequently misused words and expressions Lucid, comprehensive, and easy-to-use, this is your go-to guide to get ahead.