Sir Ranulph Fiennes on his heroes

28 September 2011 Last updated at 09:02 ET Help

Explorer Sir Ranulph Fiennes has explained what heroism means to him in his new book, My Heroes: Extraordinary Courage, Exceptional People.

Sir Ranulph became the first man to reach both North and South Poles by land, and the oldest Briton to climb Everest in 2009 at the age of 65.

The book features 12 individuals who he says have inspired him through their extraordinary courage.

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.