World Windows introduces young learners to essential themes and concepts in Science and Social Studies, through National Geographic photography and content. Using non-fiction readings, World Windows helps to develop young learners´ fluency in English, and ignites their curiosity about the world around them. Features: • Carefully leveled content introduces literacy strategies to prepare young learners for future learning success. • Each level comes with a CD-ROM which includes audio recordings, songs, games and interactive pages to support literacy work. • Four-color workbooks provide additional vocabulary, reading comprehension, and writing practice. • Printable worksheets and practice tests can be used for classroom assessment