I love reading about interesting differences in grammar in different languages, e.g. Finnish cases. Is there a good book, site or something else that treats "interesting things in grammar" in any language?
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. If this question can be reworded to fit the rules in the help center, please edit the question.