The books are free, if you download the wrong version of a book you can simply try another and it costs you no more than a minute of your time. Do you know how

The books are free, if you download the wrong version of a book you can simply try another and it costs you no more than a minute of your time. Do you know how it worked before we had the internet for books? You had to go to a library yourself, which may have taken an hour of your day just in the journey, then hope the library had the book you wanted. If not, you may have to wait weeks for another library in the system to mail the book to your library.