Sir David Attenborough is one of the world's leading naturalists and broadcasters and a national treasure Trials of Life focuses on how animals behave and why, making it the most dramatic of the three volumes of the Life Trilogy Fully updated by Sir David Attenborough and expert scientist consultants to include the most recent developments and discoveries Includes a 64-page full-colour plate section of some of the very best nature photography, captioned by Sir David Attenborough.