Benefits:

• Original non-fiction reading passages progress from 200 to 600 words over four graded levels.
• Easy-to-teach four-page unit format requires little teacher preparation.
• Four two-page review units in each book consolidate vocabulary acquisition.
• "Vocabulary Reinforcement" exercises review each unit�s target vocabulary and idioms, and recycle vocabulary and idioms from previous units.
• Teacher�s Edition includes teaching tips and background notes, photocopiable unit activities and quizzes, mid-book and final tests, and answer keys.