Kandle LED Book Light in White -- Designed for the Amazon Kindle (1st and latest generation), Sony Reader and other eBook readers.
Get 2 Kindle book lights for only $10 shipped! Ozeri via Amazon.com has the Kandle LED eBook Light for Kindle in White for $25. Buy 2 and apply coupon code "KANDLELT" to drop the price for both to $10 with free shipping! It includes two CR2032 batteries installed, an extra set of batteries, and protective pouch.
These would make an awesome Christmas gift!