This is a book titled "Ordinary Differential Equations" by Walter Leighton from Western Reserve University, published by Wadsworth Publishing Company, Inc. in Belmont, California. The book is likely a textbook used for teaching the subject of ordinary differential equations, which is a branch of mathematics dealing with equations involving functions and their derivatives. The book is intended for students studying this subject, providing them with the theoretical foundations and practical methods needed to solve such equations. It is part of a series of textbooks published by Wadsworth, a company known for its academic publishing. The book's title and publisher information suggest it is a standard academic resource in the field of differential equations. The content of the book would cover topics such as first-order differential equations, linear differential equations, systems of differential equations, and possibly numerical methods for solving them. It may also include applications of differential equations in various fields such as physics, engineering, and economics. The book is written by Walter Leighton, a professor at Western Reserve University, indicating that it is likely based on his teaching experience and expertise in the subject. The publication details suggest that the book was released in the United States, and it is available in print form. Overall, this book serves as an essential reference for students and professionals seeking to understand and apply the principles of ordinary differential equations.This is a book titled "Ordinary Differential Equations" by Walter Leighton from Western Reserve University, published by Wadsworth Publishing Company, Inc. in Belmont, California. The book is likely a textbook used for teaching the subject of ordinary differential equations, which is a branch of mathematics dealing with equations involving functions and their derivatives. The book is intended for students studying this subject, providing them with the theoretical foundations and practical methods needed to solve such equations. It is part of a series of textbooks published by Wadsworth, a company known for its academic publishing. The book's title and publisher information suggest it is a standard academic resource in the field of differential equations. The content of the book would cover topics such as first-order differential equations, linear differential equations, systems of differential equations, and possibly numerical methods for solving them. It may also include applications of differential equations in various fields such as physics, engineering, and economics. The book is written by Walter Leighton, a professor at Western Reserve University, indicating that it is likely based on his teaching experience and expertise in the subject. The publication details suggest that the book was released in the United States, and it is available in print form. Overall, this book serves as an essential reference for students and professionals seeking to understand and apply the principles of ordinary differential equations.