Bookworm sims can get an inspired moodlet from analyzing a book and get happy from reading books.
Not sure if you count them the same as skill books but you can also purchase books that will give sims moods or have Sims write books when in certain moods and have Sims read them to get into that mood.
Comments
Not sure if you count them the same as skill books but you can also purchase books that will give sims moods or have Sims write books when in certain moods and have Sims read them to get into that mood.