The universe is not only stranger than we imagine, it is stranger than we can imagine.Whip-smartthirteen-year-old Julian Costello Proctor—better known as Jules—has aneidetic memory. For as long as he can remember, he has rememberedeverything. “My mind is always on,” he explains. But when an unexpecteddeath throws his life into turmoil, Jules begins to experience somethingstrange. For the first time, there are holes in his memory.But that’s not the strangest part. What’s really weird isn’t what he’s forgotten; it’s what heremembers.Memories of another life, not his own. And not from some distant past.No, these memories belong to a man who’s alive right now.Withbravery, ingenuity, and quirky good humor, Jules devises a theory toexplain this baffling phenomenon. While tracking down the identity ofhis mysterious doppelgänger, he finds himself enmeshed in the hopes anddreams of a stranger . . . and caught in the coils of a madman’s deadlyplot.