| title | ISBN-13 | year of publication |
|---|---|---|
| Assessment Course 1B Longman Keystone Texas | 978-0-13-245015-7 | 2010 |
| Longman Keystone 8 Teacher's Resource Book | 978-0-13-713832-6 | 2011 |
| Longman Keystone Texas 8 | 978-0-13-138090-5 | 2011 |
| Longman Keystone Texas 8 Teacher's Edition | 978-0-13-713825-8 | 2011 |