In this classic of modern science, the Nobel Laureate presents a clear treatment of systems, the First and Second Laws of Thermodynamics, entropy, thermodynamic potentials, and much more. Calculus required.
The Analytical Theory of Heat by Joseph Fourier Landmark publication that first showed how any discontinuous function could be represented by a trigonometric series and advanced many other concepts of modern mathematical physics, in unabridged 1878 Freeman translation
Elements of Chemical Thermodynamics: Second Edition by Leonard K. Nash This survey of purely thermal data in calculating the position of equilibrium in a chemical reaction highlights the physical content of thermodynamics, as distinct from purely mathematical aspects. 1970 edition.