- Countdown to first certificateMichael Duckworth, Kathy Gude
- Proficiency masterclassKathy Gude, Michael Duckworth
- CAE ResultKathy Gude
- Countdown to First CertificateJenny Quintana, Michael Duckworth et al.
- Cambridge English Advanced ResultMary Stephens, Kathy Gude
- Cambridge English: Advanced Result: Workbook Resource Pack with KeyKathy Gude
- Advanced Listening and SpeakingKathy Gude
- Countdown to First Certificate, New EditionOxford Editors, Michael Duckworth et al.
- Proficiency Masterclass WorkbookKathy Gude, Michael Duckworth
