Knowing whether or not a book is worth reading could be either subjective or objective in basis. Subjective in the case if it influences our emotions and opinions as an individual. Objective if it challenges the facts of a certain subject. This is applied according to the genre of the book
The following are the lists of the factors that influence, but not limited to, whether a book is worth reading:
The connection between the reader and the characters of the story.
When we are done reading the book, we cannot get over with some characters as there is an invisible bond that has been shared. As if the emotions of the characters are aligned to what we “readers” feel. There are lingering emotions within us. It left us sad, happy, or bittersweet. We wished the characters to achieve their aspirations like they are friends or relatives.