CreateSpace Independent Publishing Platform · Independently published
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 150 English Prepositions: A full guide with illustrations, examples, exercises and tests | 978-1-4701-4784-6 (1-4701-4784-X) | 2013 |
| How to test English quickly | 978-1-5201-3005-7 (1-5201-3005-8) | 2016 |