It blew my mind! The is really long and it sometimes feels repetitive, but it is very interesting!
Science on decision making and psychological perception is so far already. This book covers groundbreaking research and explains it in an understandable way.

I had to read it as a preparation for my first year at uni in which we discussed it. One insight that summarizes part of the book by my professor, and quote that is good to keep in mind when analyzing behavior: "We think of people as utility optimizers but in reality, they are just cognitive load optimizers. People are tired and there is a lot going on in their heads!"