Antilibrary is a phrase coined by Nassim Taleb. It refers to the many books in your shelf, which you have partially read or not read at all. Here is my Library+Antilibrary. The books in this collection contain books which I am currently reading, partially read, given up, and yet to start. This is partially updated, since I started this just for fun, when I discovered the widgets in Amazon Goodreads. Categories are very broadly defined.