- EbookPractice Makes PerfectMark Lester
- EbookPractice Makes Perfect English Verb Tenses Up CloseMark Lester
- EbookPractice Makes Perfect Advanced English Grammar for ESL LearnersMark Lester
- EbookThe Big Book of English VerbsMark Lester
- EbookMcGraw-Hill's Essential English Irregular VerbsMark Lester
- EbookMcGraw-Hill Handbook of English Grammar and Usage, 2nd EditionMark Lester
- EbookMcGraw-Hill Education Handbook of English Grammar & UsageMark Lester
- EbookPractice Makes Perfect English Articles and Determiners Up CloseMark Lester
- EbookMcGraw-Hill's Essential ESL GrammarMark Lester
- EbookEnglish Grammar Drills, Second EditionMark Lester
- EbookEnglish Grammar DrillsMark Lester