Periscope reading lights are ingenious answers to a common dilemma faced by travelers, commuters and late-night readers: how to illuminate a book in dark places without cords, clips or clutter. Periscope offers you the brilliant concept of a single, lightweight design that integrates a superb, retractable reading light inside a luxurious book cover! Never again will you need to remember to pack, or search for your book light, because it always stays with the book, or eBook you're reading. Periscope offers reading lights for every kind of reading enthusiast in a variety of colors. Models are available for hardcover books, mass market paperbacks, as well as the most popular digital e-readers. If you need to shed a little light on your reading material, you'll find a Periscope solution that works for you.