National Geographic Reading and Vocabulary Focus is an all-new, four-level reading series that provides the essential reading skills and vocabulary development for maximum academic readiness. Readings grounded in rich National Geographic content tap into learners' curiosity about the world, naturally encouraging inquiry and opportunities to synthesize information. A comprehensive, three-part vocabulary development program builds student confidence as learners encounter new or unfamiliar words in academic texts Academic Vocabulary sections develop the language that students will encounter in academic readings. Multiword Vocabulary sections identify words that are commonly grouped together and then prompt learners to work with them in different contexts for enhanced comprehension. Topic Vocabulary is presented as a reading preview strategy to enhance learner comprehension of the text. - from Amzon