Oxford Collocations Dictionary
Oxford Idioms Dictionary
Scholastic Dictionary of Idioms
English Phrasal Verbs in Use: Advanced
The Ultimate Phrasal Verb Book
Practical English Usage
Oxford Learner's Thesaurus with Cd-Rom
The Merriam-Webster Dictionary of Synonyms and Antonyms
The Ins and Outs of Prepositions: A Guidebook for ESL Students
Garner's Modern English Usage