Even the most reasonable of us can be selective about when we think reasonably--we might take pride in our rationality about professional matters but follow our gut when it comes to social issues, for example. In a world of rabbit holes, echo chambers, and disinformation, how can we keep our heads on straight more consistently? How to Think More and Better offers a philosopher''s advice on becoming a more rational and critical thinker. It trains the reader in open-minded critical thinking. Irvine makes the case for his approach, explaining the prevalence of emotion-driven thinking at the expense of engagement with evidence, and then lays out strategies readers can use to train themselves to think more critically.