Understanding thermal physics is crucial for physics, chemistry, and engineering sciences. This book provides a modern introduction to the basic principles that form the foundations of thermal physics, thermodynamics, and statistical mechanics.

The fundamental concepts are carefully presented with clarity, and new ideas are explained through numerous solved examples, as well as the description of their historical background. Applications are presented in a wide variety of topics, such as astrophysics, information theory and communication theory, condensed matter physics, and climate change. Each chapter is concluded with detailed exercises.

The second edition of this established textbook maintains the structure and lively presentation style of the first edition, but expands the coverage of thermodynamics and statistical mechanics by including various new topics, such as osmosis, diffusion problems, Bayes' theorem, radiation propagation, the Ising model, and Monte Carlo methods.