If you’re set on a digital workflow, here are your legitimate options:
A: Likely not. Beyond legal risks, torrents often contain malware, corrupted files, or outdated editions (e.g., Inlingua English Book 1 from 1998). inlingua books pdf
Use the framework. Inlingua follows it closely. Free PDF syllabi are available from Cambridge English or the Council of Europe. If you’re set on a digital workflow, here