Longman, 2005. — 304 pages.Authors: Mario Herrera, Diane Pinkley.
The Teacher's Books provide clear, step-by-step teaching notes * Includes photocopiable placement tests, progress tests and suggestions for additional extension activities such as pronunciation practiceThroughout Backpack there is a lively mix of illustrations, photography, chants, songs, games, TPR and project work. Teachers will find it clear and logical to teach with, and learners will love its exciting and dynamic activities.
