Most of us don’t want to think. Thinking is trouble. Thinking can force us out of familiar, comforting habits, and it can complicate our relationships with like-minded friends. Finally, thinking is slow, and that’s a problem when our habits of consuming information (mostly online) leave us lost in the spin cycle of social media, partisan bickering, and confirmation bias.

In this smart, endlessly entertaining book, Jacobs diagnoses the many forces that act on us to prevent thinking—forces that have only worsened in the age of Twitter, “alternative facts,” and information overload—and he also dispels the many myths we hold about what it means to think well. (For example: It’s impossible to “think for yourself