Vocabulary

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

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

Hindi-English Bilingual Visual Dictionary with Free Audio App

Introduction to International Varieties of English

Easy Indonesian: Learn to Speak Indonesian Quickly (Downloadable Audio Included)

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

English Morphology for the Language Teaching Profession

Concise English Tagalog Dictionary

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

The Sense of Style: The Thinking Person's Guide to Writing in the 21st Century

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

The Oxford Reference Guide to English Morphology

Tuttle Pocket Korean Dictionary: Korean-English English-Korean