TRAVELLER is an exciting new seven-level course for teenage and young adult learners, that takes them from Beginner to Advanced level. It follows the requirements of the Common European Framework of Reference, the modular approach and is organised into 8 topic- based mudules. THE GRAMMAR BOOK CONTAINS: 29 units that follow the syllabus of the Student's Book; Structures presented in meaningful contexts; Clear explanations and illustrative examples; Carefully graded exercises; Communicative activities; Written practice; Revision sections.