George Stern: The Grammar Dictionary [2001] paperback

This is a comprehensive, authoritative handbook for secondary school pupils, university students, teachers and parents. Features: 250 grammar entries, clearly explained with illustrative examples from real-life sources; detailed information on familiar grammar terms such as 'noun' and 'subject', through to the more obscure 'modality' and 'subjunctive'; and objective view of grammar 'rules', based on accepted usagey.