This was done through a technique called “fore-edge painting,” which is an illustration that is hidden on the edge of the pages of the book. The technique allegedly dates back to the 1650s.
Don’t fucking apologize for the fucking shooter. He was human garbage. He was not ‘deep’ or some other bullshit, I don’t give a flying fuck how sad and lonely he was. We all deal with sadness and loneliness but it takes a real fucking piece of human excrement to go out and take the lives of innocent people because he couldn’t deal with the fact that women didn’t belong to him.