The third edition of Timoshenko and Goodier's "Theory of Elasticity" is a comprehensive revision of the original work, significantly expanded and updated. It retains the clarity and effectiveness of the original, now being almost a third larger. The book includes new sections on Saint-Venant's principle, edge and screw dislocations, photoelastic methods, and complex potentials. Chapters on thermal stress and wave propagation have been completely rewritten to reflect recent developments. The book is well-prepared to serve future generations of students and engineers. "Modern Control Theory and Computing" by Bell and Griffin aims to bridge the gap between theory and practice in control. It covers classical linear control theory, Lyapunov techniques, and various computer types. It also introduces stochastic processes, identification problems, and optimization techniques. While the book is expository and minimizes mathematics, it lacks chapters on Kalman filtering and linear stochastic control theory. The reviewer believes the book is useful for practicing engineers to understand modern control theory. "Thermodynamic Properties of Perfect Gases" by Baehr et al. provides tabulated data for 30 gases up to 6000 K. The book is well-prepared with clear tables and explanations, though it lacks detailed explanations. The data is useful for engineers needing thermodynamic properties. The reviewer notes that such data should be centralized and internationally coordinated, but the book serves as a valuable resource.The third edition of Timoshenko and Goodier's "Theory of Elasticity" is a comprehensive revision of the original work, significantly expanded and updated. It retains the clarity and effectiveness of the original, now being almost a third larger. The book includes new sections on Saint-Venant's principle, edge and screw dislocations, photoelastic methods, and complex potentials. Chapters on thermal stress and wave propagation have been completely rewritten to reflect recent developments. The book is well-prepared to serve future generations of students and engineers. "Modern Control Theory and Computing" by Bell and Griffin aims to bridge the gap between theory and practice in control. It covers classical linear control theory, Lyapunov techniques, and various computer types. It also introduces stochastic processes, identification problems, and optimization techniques. While the book is expository and minimizes mathematics, it lacks chapters on Kalman filtering and linear stochastic control theory. The reviewer believes the book is useful for practicing engineers to understand modern control theory. "Thermodynamic Properties of Perfect Gases" by Baehr et al. provides tabulated data for 30 gases up to 6000 K. The book is well-prepared with clear tables and explanations, though it lacks detailed explanations. The data is useful for engineers needing thermodynamic properties. The reviewer notes that such data should be centralized and internationally coordinated, but the book serves as a valuable resource.