What do you do when you're not asleep and when you're not eating? You're most likely waiting--to finish work, to get home, or maybe even to be seen by your doctor. Hold On is less about how to manage all that "staying where one is until a particular time or event" (OED) than it is about describing how we experience waiting. Waiting can embrace things like hesitation and curiosity, dithering and procrastination, hunting and being hunted, fearing and...