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)

Elementary Korean Second Edition: (Downloadable Audio Included)

Beginning Linguistics

Super Reading Secrets

An Introduction to English Grammar: Edition 4

Concise English Tagalog Dictionary

English Morphology for the Language Teaching Profession

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

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

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

The Oxford Reference Guide to English Morphology

Pocket Tagalog Dictionary: Tagalog-English English-Tagalog