The year is 1967. Malcolm Pomerantz is twelve, geeky, and socially awkward, while his seriously bright sister, Amalia, is spirited and beautiful. Each is the other's best friend, united by a boundless interest in the world beyond their dysfunctional parents' unhappy home. But even the troubled Pomerantz household will seem to be a haven compared to the house next door, after an enigmatic and very secretive new neighbor takes up residence in the darkest hours of the night." -- (Source of summary not specified)