That Is That is an intriguing and enlightening look at life’s biggest question: Who am I? This book is a collection of the free essays and articles by Advaita spiritual teacher, Nirmala. It is intended to be an easy way to sample all of his teachings. There is no particular order and you are invited to wander through the essays as you please. Nirmala offers a unique vision and a gentle, compassionate approach, which adds to the rich tradition of spiritual inquiry into our true nature. He is the author of several books, including Nothing Personal: Seeing Beyond the Illusion of a Separate Self.