This book is a compilation of much of the material I used for various game theory courses over, roughly,the past two decades. The ?rst part,ThinkingStrategically,is intended for undergraduatestudents in economics or business, but can also serve as an introduction for the subsequent parts of the book. The second and third parts go deeper into the various topics treated in the ?rst part. These parts are intended for more mathematically oriented undergraduate students, or for graduate students in ...