The almighty penis (a.k.a. dick, schlong, pecker, rod, tool, johnson, etc.) has long been a major object of adoration, revulsion, ridicule, amazement, joy, pride, and even frustration. But does anyone really, fully understand the penis? Novelist, playwright, and journalist Maggie Paley completely submerged herself in the obsessive world of this most forthright of organs -- from ancient Greece to the modern-day Internet -- for well over a year. She...