Interactions/Mosaic Silver Edition is a fully-integrated, 18-book academic series.. . Language proficiencies are articulated across five ability levels (beginning through advanced) within each of the four language skill strands.. Chapter themes articulate across the four skill strands to systematically recycle content, vocabulary, and grammar.....

Interactions/Mosaic Silver Edition is a fully-integrated, 18-book academic series. •Language proficiencies are articulated across five ability levels (beginning through advanced) within each of the four language skill strands. •Chapter themes articulate across the four skill strands to systematically recycle content, vocabulary, and grammar....

Interactions/Mosaic Silver Edition is a fully integrated, 18-book academic series. Language proficiencies are articuated across five ability levels (beginning through advanced) within each of the four language skill strands. Chapter themes articulate across the four skill strans to systematically recycle content, vocabulary, and grammar....