A few hundred years from now, humanity has colonized the Solar System. Mars and Earth (the “Inner Planets”) are the developed juggernauts of society, with Earth crowded by a population of thirty billion. The rest of humanity lives on various moons and asteroids (the “Outer Planets”), hollowed out or domed for habitation. Tension between the Inner Planets and the fringe has been constant for centuries, with the fringe being gouged on taxes and kept cowed by the massively powerful Mars-Earth combined navies.
The story is told from the viewpoint of two characters, freighter officer Holden, born on Earth, and Ceres police officer Miller, born and raised on Ceres itself. Holden’s ship is attacked for (initially) undetermined reasons and along with a few other survivors he is now a fugitive from powerful interests. Miller is asked to investigate the disappearance of one Juliette Andromeda Mao, scion of a rich family who left the fold to hang with the semi-terrorist Outer Planets Alliance, a group dedicated to independence from the Inner Planets. Miller’s search soon leads him to an encounter with Holden, as they both try to figure out who is inciting a shooting war between the Outer Planets and the Inner Planets. More importantly, what is the terrible plague that found Julie Mao; who is trying to use it and for what purpose?
The plot moves along quickly, with kick-ass action scenes worthy of a blockbuster movie. Miller’s slow descent into madness is contrasted with Holden’s transformation from naive boy scout to cynical player. The divergence of Inner Planet and Outer Planet society is finely described with tidbits sprinkled throughout the book; a story of frontier society trying to define itself. The supporting cast is wonderfully fleshed out, avoiding stereotypes and developing relationships realistically. The story itself twists in unexpected directions, with a grandiose “couldn’t see that coming” ending. Great space opera!