Somewhat related: Duolingo has a Latin course:<p>* <a href="https://www.duolingo.com/course/la/en/Learn-Latin" rel="nofollow">https://www.duolingo.com/course/la/en/Learn-Latin</a><p>For old fashion books, AFAICT the consensus seems to be to go with Hans Ørberg's <i>Lingua Latina per se Illustrata</i> series (<i>Familia Romana</i>).