Can't log into website

I purchased a book on audible and wanted to listen to it in the audible website. I logged in using my amazon account and it would refresh the page instead of logging me in. Asking me to log in again. I would try the same thing again and again and it would just refresh, not letting me log in AT ALL. Tried contacting them, but it wouldn't let me, because it would ask me to log in first. Help please.