"Concrete Mathematics: A Foundation for Computer Science" by Ronald Graham, Donald Knuth, and Oren Patashnik is highlighted as a significant resource for undergraduate students, particularly those with a background in calculus. The discussion notes a common observation that many discrete mathematics textbooks tend to adopt a low-key tone, which may affect engagement and comprehension. The book's relevance and potential benefits for students revisiting discrete math concepts are emphasized, suggesting it could be a valuable resource for both learning and reference in the field of computer science.