Amazon.com has Who Moved My Cheese?: An A-Mazing Way to Deal with Change in Your Work and in Your Life Kindle Edition on sale for $2.99.
From Library Journal
This is a brief tale of two mice and two humans who live in a maze and one day are faced with change: someone moves their cheese. Reactions vary from quick adjustment to waiting for the situation to change by itself to suit their needs. This story is about adjusting attitudes toward change in life, especially at work. Change occurs whether a person is ready or not, but the author affirms that it can be positive. His principles are to anticipate change, let go of the old, and do what you would do … read more on Amazon.com