The study of power systems is a crucial aspect of electrical engineering, as it deals with the generation, transmission, and distribution of electric power. A thorough understanding of power systems is essential for electrical engineers to design, operate, and maintain modern power grids. One popular textbook that has been widely used by students and professionals in this field is "A Course in Power Systems" by J.B. Gupta. In this essay, we will discuss the significance of this book as a comprehensive resource for electrical engineering students.