Amazon.com description: Product Description: This began as a modern parable about discovering and appreciating life's finite nature. At age 55, a man realizes his life expectancy is about 75 years of age and calculates that he has about 1,000 Saturdays left to enjoy. He buys a thousand marbles and marks the passing of each Saturday by removing one marble from a jar. Once he removes the last marble, he recognizes each susequent weekend as a gift of precious time. And that's only the introduction to this incredible, inspirational list book. 1,000 Marbles offers a thousand thought-provoking ideas for what to do on your Saturdays.