One morning you wake up to discover that you no longer look like yourself — you are some other creature with apparently more legs and hands and eyes than you remember. You break out in a cold sweat. Then panic overcomes you as you try to come to grips with these changes. What are you now? How did you get into this predicament? How will your life change? You’re not even sure what to call yourself. And yet, are you still ”you” inside?