The book Social Psychology is a textbook on social psychology that is written by Michael A. Hogg and Graham Vaughan. Michael A. Hogg is a social psychologist and professor at Claremont Graduate University in California. Graham Vaughan is a professor of psychology at the University of Auckland in New Zealand. Both Hogg and Vaughan have published a lot of research on social psychology. The ninth edition of this book was published in 2022 and has a lot of up to date information.

The book is an easy to understand but comprehensive introduction to social psychology, which is an important field of psychology. The book explains all the important topics and theories of social psychology and also discusses the difficulties in the field. 

The book starts of with a basic introduction to what social psychology is and how it has became an independent and scientific field of psychology. It then discusses the big topics of social psychology in the following order: social cognition, attribution, identity, attitudes, persuassion and social influence, group behaviour, leadership, prejudice and discrimination, intergroup behaviour, aggression, prosocial behaviour, attraction and love, and communication. Lastly, it discusses the possible shortcomings of theories and concepts in social psychology that are mostly based on Western culture, and how to deal with this.