This textbook on Partial Differential Equations by Kenneth S. Miller is a valuable resource for students and professionals alike who wish to study the linear and non-linear equations of first, second, and higher degrees. The hardcover format published by John Wiley & Sons in 1960 is a testament to its durability and relevance even after several decades. It is a must-have for anyone in the field of Mathematics and Engineering, covering topics such as subject area, format, publication name, and author. This textbook is an excellent addition to any personal library or academic institution, guaranteeing a comprehensive understanding of partial differential equations.