book stalking 

The act of analyzing a person's book collection as a means of analyzing the person.

I was book stalking Steve in his Zoom background and he has a copy of The Fountainhead

book stalking by lifto January 5, 2021

stalking the book

adding over 500 friends on facebook, people you don't even know, so that you can spend hours scanning through their posted pictures and reading their comments

Rachel spent hours online stalking the book.

stalking the book by foe stigmund August 8, 2009