books by subject
Vocabulary Reference
World Word Bank: Guide to Foreign Words and Sayings
An A-Z of English Grammar and Usage (1st Edition)
Dictionary and Thesaurus (Collins Gem)
Grammar and Punctuation (Collins Webster's Easy Learning)
The Oxford Dictionary Of English Grammar (Oxford Paperback Reference) (Oxford Quick Reference)
Spanish Verb Tables and Grammar (Collins Gem) (Collins Gems)
501 Portuguese Verbs
Plain Words
Romps, Tots and Boffins: The Strange Language of News
Collins New School Thesaurus (Collins School)
Oxford Grammar of Classical Greek
Spanish Grammar in Review
Teach Yourself French Vocabulary (TYVO)
Better Wordpower
501 French Verbs (Barrons)
Davidson's Introductory Hebrew Grammar
501 French Verbs (Barron's 501 French Verbs)
I Judge You When You Use Poor Grammar: A Collection of Egregious Errors, Inadvertent Bloopers, andOther Linguistic Slip-Ups
Anthology of British Tongue Twisters
Hammer's German Grammar and Usage
English Gem Thesaurus: The world’s favourite mini thesaurus (Collins Gem Dictionaries)
Oxford A-Z of English Usage
German Phrase Book
That's The Way It Crumbles: The American Conquest of the English Language
Easy Learning English Conversation Book 2: Your essential guide to accurate English (Collins Easy Learning English)
Easy Learning English Conversation Book 1: Your essential guide to accurate English (Collins Easy Learning English)
From the Horse's Mouth: Oxford Dictionary of English Idioms
How to Sound Really Clever: 600 Words You Need to Know
The Queen's English: And How to Use It