Table of Contents

Introduction: From Heat Engines to Disorder, Information Spreading, Freedom, and More -; Forget about Entropy for a While, Let us Go and Play iGames; The Astounding Emergence of the Entropy of a Classical Ideal Gas out of Shannon's Measure of Information; Examples and Their Interpretations. Challenges for any Descriptor of Entropy; Finally, Let Us Discuss the Most Mysterious Second Law of Thermodynamics.