Get this set of 2 Book Lights from MIDirect via Amazon.com when you clip the coupon on the product page. This set sells elsewhere for $30 or more. Shipping is free when you use a Prime account or free Prime trial. Shipping is also free when you spend $25 or more. Otherwise, add $5.99. They have three light settings and an adjustable neck, and they work for 30 hours on a single charge. The clip-on lights can also stand on their own. Sales tax is charged in most states.