Political or spiritual book that will make me feel better about chaotic state of the world, injustice, feeling indignant, etc.

I'm looking for a book that will speak to me on this topic and kind of 'normalise' the cruelty and injustice of the world — likely by talking about human systems and nature and politics, and drawing historical comparisons perhaps — so I can finally just get over it and feel less existential pain about [...]