English language - Idioms, corrections, errors.

On language by: Safire, William (Language materials, printed)

Guide to patterns and usage in English by: Hornby, A. S. (Language materials, printed)

The dictionary of do's and don'ts : a guide for writers and speakers by: Nickles, Harry G. (Language materials, printed)

A handy book of commonly-used American idioms by: Wiener, Solomon (Language materials, printed)