I tried again, both in my old save file and in a new one, it seems I can't even enter my house again after returning the book, I don't know if I'm missing something or it is really I overlook of your part.
about the translation, no problems, It's cool that you even finish the biggest part of it in time, for what I notice, what is not translated is more of the lines of "I shoulnd't go there yet"
if it is really a bug, I would happily play a post-jam build, because I'm really curious about the story.