National Geographic Learning.
The READING ADVANTAGE series focuses on two key areas of reading-comprehension and vocabulary. Each book features twenty interesting, topically based reading passages that introduce the most commonly used vocabulary and idioms found in written English today.
FeaturesOriginal 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.