LightWedge Harry Potter LUMOS Book Light Patented LightWedge technology directs light only onto the page Colorful Harry Potter graphics and seven interchangeable switch covers Larger size that matches the LightWedge Original, the LUMOS is perfect for hardcover and larger "trade" paperback books Page-sized, acrylic lens lays flat on the page 2 bright LEDs shine light magically in a dark room: