Thermal Physics and Semiconductor Devices provides a detailed explanation of core physics concepts along with modern electronic applications. The book includes Zeroth to Third Laws of Thermodynamics, Kinetic Theory of Gases, and Theory of Radiation, along with practical insights into semiconductors, diodes, and transistor operations. Written in simple language, it helps students understand both fundamental and applied aspects of physics for academic success. The book is available in e-book as well as hardbook. The book is published by Pragati Prakashan and e-book is available on ebookselibrary.