| Answer Book 1A (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 1A (Reprinted with minor amendments) Student's Book | | |
| Answer Book 1B (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 1B (Reprinted with minor amendments) Student's Book | | |
| Answer Book 2A (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 2A (Reprinted with minor amendments) Student's Book | | |
| Answer Book 2B (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 2B (Reprinted with minor amendments) Student's Book | | |
| Answer Book 3A (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 3A (Reprinted with minor amendments) Student's Book | | |
| Answer Book 3B (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 3B (Reprinted with minor amendments) Student's Book | | |
| Answer Book 3C (Reprinted with minor amendments) Teacher's Edition | | |
| Answer Book 3C (Reprinted with minor amendments) Student's Book | | |