This book provides an easy to understand introduction to the basic principles and techniques of heterogeneous catalysis. Summary of contents: 1. Fundamentals of Adsorption 2. Characterizing Catalyst and Their Surfaces 3. Significance of Pore Structure and Surface Area in Heterogeneous Catalysis 4. Poisoning, Promotion, Deactivation and Selectivity of Catalysts 5. Catalytic Process Engineering