Unlike other book lights, this one uses flexible OLED technology to illuminate page sections as needed. No word yet on if this concept will go into production. Click here for one more picture.
The intensity of the light can be controlled and the best part is if you fall asleep, your bookmark is already where you left off. Although just a concept, MARK won the Red Dot Award for best design concept in 2007 so something like it will be in stores soon