Now the original "itty bitty " booklight is available in a Travel Edition that you can easily pack and take along. Just clip it on the back of a hard or soft - cover book and cool brilliant light will illuminate your reading. Specially designed to travel, this battery - edition is lightweight and comes in its own sturdy, self contained carrying case. The "itty bitty" Travel Edition lets you enjoy the time between destinations, whether in a car, plane or train. In your hotel room you can read without disturbing your bed partner. If you enjoy reading you'll be glad you packed the "itty bitty" booklight Travel Edition. Requires 4 C cell alkaline batteries (not included)