- Doors to English is a series of three practice books for beginners and pre-intermediate students to improve their performance in learning English providing them with a large variety of exercises.- It improves students'exam performance helping them to form correct sentences and use them correctly.- New words are systematically revised through vocabulary pages.- Reading passages stimulate students to read and write.- All grammatical patterns and new words learned in units are revised in tests.- It also contains answer key for the tests.- It's ideal for self-study or classroom use.