Vocabulary

Word Smart, 6th Edition: 1400+ Words That Belong in Every Savvy Student's Vocabulary, Edition 6

Watching English Change: An Introduction to the Study of Linguistic Change in Standard Englishes in the 20th Century

Mandarin Chinese for Beginners: Mastering Conversational Chinese (Fully Romanized and Free Online Audio)

Introduction to International Varieties of English

The Oxford Dictionary of Literary Terms: Edition 4

Glossary of Morphology

Word Power Made Easy: The Complete Handbook for Building a Superior Vocabulary

Beginning Linguistics

Elementary Korean Second Edition: (Downloadable Audio Included)

Super Reading Secrets

An Introduction to English Grammar: Edition 4

Concise English Tagalog Dictionary

Reading and Writing Chinese: Third Edition, HSK All Levels (2,633 Chinese Characters and 5,000+ Compounds)

Mysteries of English Grammar: A Guide to Complexities of the English Language

On Language: Chomsky's Classic Works: Language and Responsibility and Reflections on Language

English Morphology for the Language Teaching Profession

Pocket Tagalog Dictionary: Tagalog-English English-Tagalog