This is a book in the "psychology" section. It really talks a lot about epidemics. Specifically, what causes things like a drop in crime or a fashion trend and also the people that cause them. It has a ton of examples and a lot of insightful information. I really loved reading this book. I think any one interested in psychology or gaining new knowledge would really enjoy this book. This is not the first book I've read by Gladwell. I read Outliers as well and it was just as good as this one!