Thirteen-year-old David Salmon is getting over his mom's sudden decision to pick up and leave. He seems to be adjusting fairly well, but then a strange thing happens. He meets a middle-aged Englishman named Winston outside his house. David suspects that Winston may not be real, but he seems harmless enough, as hallucinations go, and the two of them become friends. If nothing else, Winston is a welcome distraction from the mess at home; David's...