You shouldn't think that reading books "for show" and general development will have a full impact on you.
You need to be able to read correctly.
This rule applies to both fiction and non-fiction. Don't read mindlessly and without thinking. Take breaks.
You may need to keep a reading journal. You can write down what you agree with and what positions you question.
It would be great if friends supported this initiative of creating a reading club. You would be able to read books at the same time and then discuss them.
This will allow you to look at all issues from different angles.
Sometimes books contain terms, words, or people you don't know anything about. These gaps need to be filled. When you come across an unfamiliar word, you need to put the book down and look for the information you need.
This will not only make the picture of what you read complete, but will also broaden your horizons.