Oxford Learner's Thesaurus with Cd-Rom
A synonyms dictionary written especially for learners. It groups words with similar meanings and explains the differences between them.
Oxford Collocations Dictionary
Oxford Phrasal Verbs Dictionary
Oxford Idioms Dictionary
American Accent Training with 5 Audio CDs
Cambridge Advanced Learner's Dictionary with CD-ROM
English Grammar in Use Book with Answers and Interactive eBook: Self-Study Reference and Practice Book for Intermediate Learners of English
English the American Way: A Fun ESL Guide to Language & Culture in the U.S. w/Audio CD & MP3 (English as a Second Language Series)
Academic Vocabulary in Use Edition with Answers
Oxford Advanced American Dictionary for learners of English
English Collocations in Use Intermediate