The Book Thinking Fast and Slow by Daniel Kahnneman. Weird self help name, but its a book on biases, research which Kahnneman won the nobel prize. Once I started questioning my preconceptions it completely changed my whole perspective on the world. Its like that list of fallacies that you study in philo 101, but they’re not like dialogical fallacies they appear in our own thinking. And “experts” are more likely to get fooled in their own fields of research than laypeople when asked trick questions