Good luck with your Analisi 1 exam. You will need it.
Consequently, one of the most searched terms in student forums is the magic string:
If you are a freshman engineering, physics, or mathematics student in an Italian university, three names will haunt your dreams (in a good way): Marcellini, Sbordone, and Analisi 1.
Marcellini and Sbordone are actually quite responsive to emails if you have a specific theoretical doubt. Try emailing them before you try torrenting their life's work.