Calliope is a book dealing with loss and regret at the midpoint of life, and the desire to get back to the formal moment when one's na?vet? inspires hope, promise and belief. The paradox, of course, is can one regain it once wisdom has been acquired through experience? Maybe the answer lies in Nietzsche's devotion to a constant re-evaluation of values. It is at this point where the artist once again meets the muse. After the loss of all material...