In conclusion, "A Course in Power Systems" by J.B. Gupta is a comprehensive textbook that provides a thorough introduction to the fundamental concepts of power systems. The book covers a wide range of topics, including power generation, transmission, distribution, and protection. The book's clear and concise explanations, comprehensive coverage, and solved examples and problems make it a valuable resource for electrical engineering students. The book is an excellent choice for students who want to gain a deep understanding of power systems and develop practical knowledge and problem-solving skills.