a comprehensive grammar course designed for learners at the B1 (Pre-Intermediate) level. It provides clear grammar explanations followed by a wide variety of practice exercises that help students progress from controlled practice to confident language production. The book also includes vocabulary-building activities, regular self-check pages to monitor progress, a complete answer key for independent study, and an interactive CD-ROM with additional grammar practice and self-assessment exercises. It is suitable for both classroom use and self-study.