We found this A revolutionary new book light for nighttime reading. Patented LightWedge technology directs all the light only on the page you are reading, without bothering someone sleeping next to you. The larger-sized LightWedge Original is ideal for hardcover books and large paperbacks. Its for reading in bed, reading on a plane, or reading in a car, at night. We found this at http://www.lightwedge.com.