If you want to understand thermodynamics, read Feynman. If you want to pass thermodynamics, read Brijlal.
If you have ever pursued a Bachelor’s degree in Physics in India (or any neighboring country), chances are high that your bookshelf has a worn-out, spine-cracked copy of “Heat, Thermodynamics and Statistical Physics” by Brijlal, Subrahmanyam, and Hemne. Heat Thermodynamics And Statistical Physics By Brijlal
However, for pure, solid, exam-oriented derivation practice, nothing beats it. "Heat, Thermodynamics and Statistical Physics" by Brijlal is not just a book; it is a rite of passage. It is the patient teacher that explains why a refrigerator works, how the universe is running down (Second Law), and how the statistics of tiny particles dictate the temperature of your room. If you want to understand thermodynamics, read Feynman