| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Chaucer: An Introduction: Second Edition | 978-0-367-35731-3 (0-367-35731-3) | 2019 |
| Piers Plowman: Critical Approaches | 978-0-367-20265-1 (0-367-20265-4) | 2019 |
| The English Language: Structure and Development | 978-1-138-41283-5 (1-138-41283-X) | 2017 |