.Interactions/Mosaic Silver Editionis a fully-integrated, 18-book academic series.. . Lanugage proficienciesare articulated across five ability levels (beginning through advanced) within each of the four language skill strands. . Chapter themesarticulate across the four skill strands to systematically recycle content, vocabulary, and grammar. . . ..New to the Silver Edition. . Teacher-approved, contemporary, full-color design- forInteractions AccessandInteractions 1and2reading and Listening/Speaking - showcases compelling instructional photos to strengthen the educational experience. . Up-to-date, engaging global contentappeals to the sophisticated, academic audience forInteractions/Mosaic. . Enhanced focus on vocabulary building,test takingm and critical thinking skills promotes academic achievement. . Self-Assessment Logsencourage students to evaluate their learning. . Focus on Testingstratgegiesand activities for TOEFL iBT preparations build invaluable test-taking strategies. . Skills indexfor each student book helps instructors match textbook content with curricular standards and objectives. . Guided practiceusing a variety ofgraphic organizersprovides students with organization tools for academic skill building. . Best Practices approach in theTeacher's Editionpromotes excellence in language teaching and learning. . . ..This is the high beginning to low intermediate level Grammar student e-course key code.. .