No books available? How to import them?

I want to read a book in Norwegian, but the “book tab” is empty. Does it mean there are no books available in this language?
If so, is there any way to import a book from any format?

@ArpciQ Unfortunately, there are no books added for Norwegian yet.
You can use the MyTexts section to read the text.
There you will find playback, dictionary, and other features available on LR.