Lethem's latest genre-bending exploration of science, landscape and the metaphysics of love and loss. A coming of age story about a teenage girl on the frontiers of space. Pella's father, clement, has just been swept out...Lethem's latest genre-bending exploration of science, landscape and the metaphysics of love and loss. A coming of age story about a teenage girl on the frontiers of space. Pella's father, clement, has just been swept out of elective office in New York and has set his sights on the next political frontier: joining the first human settlers on the planet of the archbuilders.