Nick Middleton is a geographer, writer and presenter of television documentaries. He teaches at Oxford University, where he is a Fellow of St Anne's College. A Royal Geographical Society award-winning author, he works, teaches and communicates on a wide variety of geographical, travel and environmental issues for a broad range of audiences, from policy-makers to five year-old children. He is also the author of several travel books, including the stunning gift book An Atlas of Countries That Don't Exist, and the bestseller Going to Extremes, which was part of a number of television series he wrote and presented for Channel 4 on extreme environments and the people who live in them.
Most of us think we know what a country is, but in truth the concept is rather slippery. We take a look at two countries – Sealand and Sahrawi – that lie in the margins of legitimacy, but can be visited in the real world.