The Myth of Sisyphus By Albert Camus. A great philosophy book, not that hard to read, about the absurdity of life. Camus talks about suicide in this context, and why life still has meaning despite its absurdity. The Art of Not Giving A Fuck by Mark Manson. As the title implies, it talks about caring less about what other think (while not being a narcissist). And how it can make you more happy and more likeable.