A follow up to Pico Iyer's essay "The Joy of Quiet," The Art of Stillness considers the unexpected adventure of staying put and reveals a counterintuitive truth: The more ways we have to connect, the more we seem desperate to unplug. Why might a lifelong traveler like Pico Iyer, who has journeyed from Easter Island to Ethiopia, Cuba to Kathmandu, think that sitting quietly in a room might be the ultimate adventure? Because in...