Every book is embedded with the emotions or experiences or imagination or a wish of an Author. See if you find a connection with any of them, influencing your mind and in turns commanding your fingers to hit the buy button
It goes from our eyes and brain process and understands based on the knowledge base what we possess
It finds links with the memories and the meaning derived is always subjective
It goes deep inside but we must cut the negative elements to become part of us in any form.