Just completing his second and third chapter in FE formulation, you cannot deny Dr.Reddy's ingenius in FE. His solid background in Variational Calculus will enlight you the real nature of Finite Element approximation and bring you understand how can fomulate FE statement from BVP. Don't be bored in his mathematical written styles, because you could not understand FE in other ways. Absolutely, this book is one in my best list of FE textbook. His enlightment could not be found in a plenty of FE textbooks sold in your bookstore. Just read it!!! You may think like me.