"Cadence "Cady" Archer arrives on Harvard's campus searching for answers about her brother, a schizophrenic genius who leapt from his dorm room window the year before. Eric's brilliance overshadowed Cady growing up, but she worshipped and adored him--even as he became more unstable, retreating deeper into his secretive work on multidimensional spacetime and isolating himself from everyone around him. Losing Eric has left a black hole in Cady's life,...