Teacher's Materials contains teacher's materials and answer keys for Familia Romana (Lingua Latina Pars I) and Roma Aeterna (Lingua Latina Pars II) and answer keys for Exercitia Latina I and II. Hans ørberg's Lingua Latina per se illustrata is the world's premiere series for learning Latin via the Natural Method. Students learn grammar and vocabulary intuitively through extended contextual reading and an innovative system of marginal notes, giving students the opportunity to learn Latin without resorting to translation. Further information on Roma Aeterna and all titles in this widely adopted series can be be found at www.hackettpublishing.com.