Virtual Reality Author:HP Newquist, Gerald Marks (Illustrator) Imagine yourself on the deepest ocean floor ... on the surface of Mars ... or at the bottom of an exploding volcano. Impossible? Not with virtual reality. — VR expert HP Newquist introduces the amazing world of virtual reality -- how the concept was created and how it has expanded into the world of architecture, business, medicine, and ... more »entertainment. Take a trip into a virtual world without ever having to leave your living room!« less