Think it's difficult to get into Harvard University? Try Vita Post Mortem Academy, a prestigious high school where John F. Kennedy teaches a class called American Ghosts stories, Albert Einstein grades science tests, and history's most brilliant and deceased minds make up the rest of the teaching staff. Not a problem for Jules Winklevoss, one of the few who can see spirits.Getting into school was a cakewalk, but Jules learns not all spirits are engaging...