**Modern Control Engineering by K. Ogata (1970)** This book, reviewed by J. W. Brewer, is an introductory text for undergraduate courses in dynamic systems analysis and control. Based on lecture notes from the University of Minnesota, it is well-organized and includes numerous examples and homework problems. The book is divided into four parts: Introduction and Mathematical Preliminaries, Dynamic Systems Analysis, Classical Control Theories, and Modern State Variable Methods. Chapter 2, which introduces Laplace transform methods, is particularly strong. However, Chapter 3 on matrix algebra could benefit from additional content on determinants. The dynamic systems analysis chapters are well-written, especially Chapter 5, which provides a thorough introduction to control system components. A major weakness is the lack of emphasis on bilateral coupling effects, which are briefly mentioned. The third part of the book, covering classical control theories, is a strength, with a rigorous treatment of the Nyquist criterion and a logical link between classical and modern methods. The final part discusses Liapunov stability theory and optimal and adaptive systems. Overall, the book is highly recommended for undergraduate courses. **Digital Simulation of Continuous Systems by Yaohan Chu (1969)** Reviewed by D. M. Auslander, this book is a valuable resource for undergraduate students and self-learners in the field of simulation. It focuses on the practical aspects of simulation, presenting simulation languages (Mimic, Fortran, and DSL-90) and providing detailed examples. The book is well-suited for those who need a practical guide to simulation, as it covers the basics and fundamental tools without delving into the more complex subtleties.**Modern Control Engineering by K. Ogata (1970)** This book, reviewed by J. W. Brewer, is an introductory text for undergraduate courses in dynamic systems analysis and control. Based on lecture notes from the University of Minnesota, it is well-organized and includes numerous examples and homework problems. The book is divided into four parts: Introduction and Mathematical Preliminaries, Dynamic Systems Analysis, Classical Control Theories, and Modern State Variable Methods. Chapter 2, which introduces Laplace transform methods, is particularly strong. However, Chapter 3 on matrix algebra could benefit from additional content on determinants. The dynamic systems analysis chapters are well-written, especially Chapter 5, which provides a thorough introduction to control system components. A major weakness is the lack of emphasis on bilateral coupling effects, which are briefly mentioned. The third part of the book, covering classical control theories, is a strength, with a rigorous treatment of the Nyquist criterion and a logical link between classical and modern methods. The final part discusses Liapunov stability theory and optimal and adaptive systems. Overall, the book is highly recommended for undergraduate courses. **Digital Simulation of Continuous Systems by Yaohan Chu (1969)** Reviewed by D. M. Auslander, this book is a valuable resource for undergraduate students and self-learners in the field of simulation. It focuses on the practical aspects of simulation, presenting simulation languages (Mimic, Fortran, and DSL-90) and providing detailed examples. The book is well-suited for those who need a practical guide to simulation, as it covers the basics and fundamental tools without delving into the more complex subtleties.