I have tried the website recommended by RS travel book (www.galleriaborghese.it) and it appears to only be Galleria news. The other site that appears reputable(www.tosc.it) only sells to Italians. When I Google , "tickets for Borghese Gallery" I get disreputable sites that sell scalpping prices. Help!
Just have to navigate to the English page
https://www.tosc.it/en/artist/galleria-borghese/galleria-borghese-2253937/
Thank you.