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Is there a guaranteed one in game?

I got infernal from the chest where the herbarium is...
Breaking a magic box allows you to summon a shop that seems to have all books, or most books.

Though I think I got them all from loot (especially from the iron mine).
1 random book from Mine's entrance map and 2 books from shamans' barrack in orc quarters lvl 3.

You can bought all books from merchant priest in Cathedral in act 2 (they randomly generated every shop opening).