Good books for enriching eng. vocabulary

"English Vocabulary in Use Advanced" is useful and can help you expand and improve your vocabulary.
However, I'd like to recommend other books that can help you achieve your goal:

- Grammar and Vocabulary for Cambridge Advanced and Proficiency
(Richard Side and Guy Wellman)
- Vocabulary Building 1-2-3-4 (vocabulary building workbook series by Betty Kirkpatrick MA)
- Test Your Vocabulary 1-2-3-4-5 (a series of vocabulary practice books by Peter Watcyn-Jones)
- Fifteen Thousand Useful Phrases (by Grenville Kleiser)
- Boost Your Vocabulary (by Chris Barker)
- More Than Words: Vocabulary for Upper Intermediate to Advanced Students Bk. 1
(by Jeremy Harmer)
- Test your English Vocabulary in Use Upper-Intermediate by Michael McCarthy, Felicity O'Dell, Paperback: 152 pages, Publisher: Cambridge University Press
- Compelling Conversations: Questions and Quotations on Timeless Topics - An Engaging ESL Textbook for Advanced Students, by Eric H. Roth, Toni Aberson (Paperback)
- Essential Idioms in English: Phrasal Verbs and Collocations, Fifth Edition by Robert J. Dixson, Paperback: 276 pages Publisher: Pearson ESL