The book "Code-Mixing: A Case Study of Jahangirnagar University Students" offers a comprehensive examination of the phenomenon of code-mixing, which is gaining increasing importance in linguistics. It is aimed at readers interested in the linguistic practices of students at Jahangirnagar University in Bangladesh. Through a combination of qualitative and quantitative research methods, the work sheds light on the reasons why students mix different languages in their daily lives. Additionally, it explores how this linguistic behavior influences the psychological aspects and behavior of the students. The findings of this extensive research provide valuable insights and can serve as a foundation for future studies in this field. Thus, the book is of interest not only to linguists but also to educational researchers who are engaged with the linguistic dynamics in multicultural contexts.