I love this cover concept by using two covers after each other (page 1 and page 3).
Zeit Magazin carries this concept each week and this creates an excellent opportunity to give more depth to their coverstories.

Here this weeks cover Zeit magazine from Germany about age and beauty.
Cover 1: 38 (photography Todd Cole)
Cover 2: 66 (photography Markus Jans)

Editor in chief: Christoph Amend
Creative director: Mirko Borsche