This book analyzes a subtle but intriguing mental event--the paradoxical surprise that people sometimes feel when they come upon something that they have felt sure existed but are seeing for the first time. Noted first by Sigmund Freud, this common but odd experience proves remarkably resistant to trivial explanation.Upon seeing the Acropolis for the first time, Freud remarked, "So all this really does exist, just as we learned in school!" Similarly,...