Most book lights have LED bulbs. Incandescent book lights are difficult to find.

It provides a warmer light. Great for those who are sensitive to LED lights. 

I took pictures of the one I use. Yours will come in a sealed package.

GE 15521 Incandescent Book Light, Blue. Portable light attaches to a book or magazine for nighttime reading. Flip-top operation. Requires two AAA batteries (not included). 

• Portable light attaches to a book or magazine for nighttime reading.
• Flip-top operation.
• Incandescent book light.
• Light automatically turns on when open and turns off when closed.
• Includes light bulb
• Adjustable Light Direction
• Requires two AAA batteries (not included)

• Brand: GE
• Color: Blue
• Bulb Type: Incandescent
• MPN: 15521
• Model: 15521
• Battery Size: 2 x AAA (not included)
• Product Dimensions: 4 x 3.5 x 1.2 Inches
• UPC: 043168155212

In stock and ready for shipping to all US addresses.