Well. The movies.
The books are kinda outdated, but there are modernized and correct versions of the books.
The 1971 movie Is free to watch on YouTube
Also, because The Emigrants is basically the Swedish equivalent to those books you're forced to read in middle school (I've heard of Swedes as young as 5TH GRADERS having to read The Emigrants) the books are very expansive. To buy the whole series which is only 4 books, you have to pay a whooping 92$