In her debut novel, the terrific thriller Spin State, Chris Moriarty melds cutting-edge science with post-cyberpunk fiction and neo-noir suspense to create a complex, believable future inhabited by one of the most intriguing characters in modern science fiction. Major Catherine Li is a veteran United Nations Peacekeeper in a future of world-nations. Humanity has spread across interstellar space by "jumping": teleportation enabled by quantum physics and a bizarre crystal found only on Compson's World. The jumps destroy memory, so jumpers back up their memories on computer. Despite this precaution, frequent jumpers still lose some memories, a fact that poses a far greater problem for Catherine Li than it does for other Peacekeepers. For Li has a dangerous, potentially deadly secret: she's an illegal clone. When a UN mission goes awry, Li finds herself shipped on solo duty to Compson's World--her home world, to which she'd vowed never to return. Her mission initially seems simple: to determine if the death of brilliant physicist Hannah Sharifi was a crystal-mining accident or cold-blooded murder. Like Li, Sharifi is a clone--in fact, she's Li's genetic twin. Li swiftly finds herself enmeshed in the intertangled politics of the UN, the multiplanetary corporations, the miners, and the human-created Artificial Intelligences, who have enigmatic agendas of their own. --Cynthia Ward