By Matthew Harffy
By Chris Bonington
By Snow, Elliot
By Wright, Thomas
By Dyke, Tom Hart, Winder, Paul
By Rolf Potts
By Alex Capus
By Slung, Michele B.
By Jarman, Julia
By Pendle, Carl, Dunlop, Fiona, Egginton, Jane, Watkins, Steve
By Edwards, Harvey, Spring, Vicky
By Grylls, Bear
By Rough Guides
By Bill McGuire and Lyn Stone
By Marsden, Philip
By Andrew Dickson
By Fogle, Ben
By Giorgio Agamben, Lorenzo Chiesa
By steve jackson, Peter Andrew Jones
By Portway, Christopher
By Williams, Hywel
By Fox, Barbara
By Lindnord, Mikael, Hudson, Val
By Huntford, Roland
By Attenborough, Sir David
By Alastair McIntosh
By National Geographic Society
By Bear Grylls, Rev. Colonel David Cooper
By Edith Templeton, Anita Brookner