Peaks and Valleys

From New York Times bestselling author of Who Moved My Cheese?, a brilliant parable on how to be successful in good times and bad, in work and in life.

De la autoarea bestsellerului New York Times, Cine mi-a mutat branza?, o parabola stralucita despre cum sa ai succes la bine si la rau, la locul de munca si in viata.