Fundamentals Of Thermodynamics Sonntag ✦ Verified Source
Buy the International Version (usually cheaper) and find the Solution Manual ( only to check your work after you have genuinely tried). Thermodynamics is a contact sport. You cannot learn it by watching; you have to do the problems with pencil and paper.
Many students open to Chapter 1, see a wall of text about "systems and surroundings," and immediately feel overwhelmed. But here is the secret: You don't read it like a thriller; you mine it for gems. fundamentals of thermodynamics sonntag
Open to Chapter 3 (Properties of a Pure Substance). Find the diagram for $P-v-T$ surface. Stare at it for 5 minutes. If you understand that diagram, you have already beaten half the course. Buy the International Version (usually cheaper) and find