Books in my library empty..

You may have already, but did you try restarting your computer?

That won't do anything. I use a laptop and open it fresh daily.

Turns out it's actually a book I had in my print Library... Didn't tell me until I went into my phone and looked for it

Turns out it's actually a book I had in my print Library... Didn't tell me until I went into my phone and looked for it