I received this as a graduation gift from my mentor 2 years ago and I have to admit that it has been the book that I have read time and again when I encountered difficult times in building my own business.
The concepts are so simple yet encouraging that I recommend that anyone that needs a boost in their day (if it's one of THOSE days...) to get this book. According to the summary I read, the entire book has less than 600 words! So, I can definitely say that it's an "easy" read. Here's an excerpt I like:
And will you succeed? Yes! You will, indeed! (98 and 3/4 percent guaranteed.