Teen Girls Connect explores the intricate world of adolescent female friendships, examining how these relationships shape identity, self-esteem, and decision-making. Peer relationships are a primary context for social and emotional learning during adolescence, yet many misunderstand the power of these connections. The book delves into the structures and hierarchies that emerge within girls' social groups, analyzing how these dynamics affect a teen's sense of belonging.

The text also examines the role of communication, both online and offline, in shaping these relationships, paying close attention to the impact of social media, a crucial element of social dynamics. The book challenges simplistic notions of "mean girls" and instead offers a nuanced understanding of the complex interplay of social forces that shape girls’ experiences.

The book unfolds in a structured manner, beginning with theoretical frameworks and existing research, then exploring specific topics such as cliques, bullying, and social media, culminating in strategies for fostering healthy relationships.