Just Out of Jupiter's Reach (The Far Reaches, #5)

by Nnedi Okorafor

He had been genetically modified in more ways than I could understand. They’d used tardigrade, jellyfish, algae, and spider DNA; nanotechnology; and parts of him were some form of metal. Yet his DNA was 100 percent compatible with mine. Not one gap in the sequence. This thing was somehow related to me, very directly.