For a limited time, Mercury Magazines is giving away a free digital issue of National Geographic. To get yours, all you have to do is click the 'Get Sample' button down below and complete the form on their website, and you'll get an email with a link to download and read your free issue.

Over the years, this magazine has magnificently changed. It is exquisitely written and astonishingly educational. And what beautiful pictures they are! The articles are fascinating to me. If you are also interested in this magazine, you have to get yours now because this is available while supplies last.

National Geographic magazine gives you a rare look at the drama of humanity and the wonders of nature. With unsurpassed photography and exquisite maps, every issue of National Geographic is an event. From shark safaris to tiger treks, it's your passport to see the world.