I purchased this book on Maxwell's Equations for a peculiar reason.  I have a t-shirt that lists the four Maxwell Equations that God purportedly used to create light.  I wanted to be able to answer any technical questions I might get while wearing it.  Humor aside, this book is truly 5-star.  Both the integral and differential forms of Gauss's Laws of electricity and magnetism, Faraday's Law, and the Ampere-Maxwell Law are provided.  The book is organized into separate sections for each equation.  Within each section are detailed explanations of each variable, constant and mathematical operation.  There are representative problems with solutions for calculating electric and magnetic fields for practical scientific or engineering application.  There are also problems for you to test your understanding.  If you want to have a fundamental understanding of electromagnetism this book is a great resource.  It goes well beyond what you will find in introductory physics textbooks.  After reading this book, I believe I am fully prepared to answer any technical question about Maxwell's Equations I might get wearing my t-shirt, even if I have to refer back to the book for reference.  Excellent book for both undergraduate and graduate students and professional scientists and engineers.  Also for those who just what to understand what's in the air around them.