Don't judge a name by its colors. MacKenzie Hamilton has the unique ability to see letters and numbers in colors. Her synesthesia seemed almost useless until she decided to start categorizing people based on their names' color combinations. For instance, her parents' names are pretty, so they're destined to reconcile. And David Shaw, the boy next door, has an ugly name, so of course, she had to push him away. For three years, she's...