In 'The Fifth Season', poet and philosopher Mark Nepo, now in his 70s, explores the rhythms of aging in the second half of life. Nepo has appeared several times with Oprah Winfrey on her Super Soul Sunday program. From the author of 'The Book of Awakening', 'The One Life Were Given', and 'Drinking From the River of Light', which have been translated into more than 20 languages.