“Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems” by Irwin H. Segel is a comprehensive textbook on enzyme kinetics that covers a wide range of topics from elementary aspects to modern subjects such as steady-state, multi-reactant kinetics, and isotope exchange. The book offers a detailed understanding of the behavior of enzyme systems and the diagnostic tools used to characterize them and determine kinetic mechanisms. It provides illustrations and explanations of current topics such as feedback inhibition and metal ion activation. With 992 pages and 52 oz in weight, this textbook is a valuable resource for scholarly and professional audiences in the fields of life sciences and chemistry.