Who moved my cheese?

Who Moved My Cheese? An Amazing Way to Deal with Change in Your Work and in Your Life, published in 1998, is a motivational book by Spencer Johnson written in the style of a parable or business fable. It describes change in one's work and life, and four typical reactions to said change by two mice and two "littlepeople", during their hunt for cheese. A New York Times business bestseller since release, Who Moved My Cheese? remained on the list for almost five years and spent over 200 weeks on Publishers Week