By Littlewood, Peter
By Heuer, Karsten
By Kolbert, Elizabeth
By Eliane Brum, Translated by Diane Whitty
By Preston, Christopher J.
By Clode, Danielle
By Steve Parker
By Scholastic
By Dooren, Thom Van
By Mackay, Richard
By Flannery, Timothy, Schouten, Peter
By Kainen, Dan
By Jennifer E. Telesca
By Sartore, Joel, Ford, Harrison
By Green, Iain, Forsyth, Robert
By Galdikas, Birute Marija Filomena, Briggs, Nancy, Ammann, Karl, Ammann, Karl
By Hawksley, Lucinda
By Shellenberger, Michael
By Chris Weston, Art Wolfe
By Svensson, Patrik, Broome, Agnes
By Carol Inskipp
By Adams, Douglas, Carwardine, Mark, Douglas; Carwardine
By Mowat, Farley
By Twigger, Robert
By Beeby, Alan, Brennan, Anne-Maria
By Thomas, Chris D.
By Fossey, Dian
By Stephen Fry, Rob Fraser