This book elucidates new techniques and their applications in a multidisciplinary approach in the field of virtual reality. It provides thorough insights about the theory and practice of this subject. Virtual reality refers to the advance and complex computer technologies and softwares which create realistic sounds, images and environment around the user, to provide him with an interactive and real surrounding. It enables the user to walk around, interact with the objects of artificially made realistic world, with the help of display screens, projectors or a virtual reality headset. This book is a compilation of chapters that discuss the most vital concepts in the field of virtual reality. The various subfields within this area of study along with the technological progress that have future implications are glanced at in this text. It is an essential guide for both academicians and those who wish to pursue this discipline further.