What a wonderful season to consider gratitude, in general. Not just to celebrate nature's bounty, but as a life-enhancing virtue.
Recent books have extolled the benefits of cultivating gratitude as a practice to improve well-being.

"Thanks!: How the New Science of Gratitude Can Make You Happier"
by Robert Emmons
Based on Emmons' interdisciplinary research and his stance on "positive psychology," this book pulls together academic and popular literature to promote gratitude (and discourage ingratitude!) as a means to a richer, more pleasurable life. He offers specific examples of ways to observe gratefulness, such as the currently popular notion of keeping a gratitude journal.

"Thank You Power: Making the Science of Gratitude Work for You"
by Deborah Norville
Norville, a former reporter, examines the power of gratitude (based on a "thank-you" mantra) to increase resiliency. She offers research findings accompanied with personal stories.

"Seasons of Grace: The Life-giving Practice of Gratitude"
by Alan Jones and John O'Neil
A practical exploration of gratitude and observations organized around seasonal themes. It suggests for example, that autumn may be a season to discover authenticity; winter one of gathering with loved ones, with specific examples of such simple acts as cleaning house in the spirit of gratitude.