The 80/20 principle - the fact that 80 per cent of results flow from 20 per cent of causes - is the one true principle of highly effective people and organisations. This work shows how you can achieve much more with much less effort, time and resources, simply by concentrating on that all-important 20 per cent. Paperback Published September 13th 2007 by Nicholas Brealey Publishing (first published 1950)