 
"One of science fiction's most reliable practitioners" (San  Francisco Chronicle) continues his saga of space exploration.  
The mysterious alien Others have prohibited humans from space  travel-destroying Earth's fleet of starships in a display of  unimaginable power. Now Carmen Dula, the first human to encounter  Martians and then the mysterious Others, and her colleagues struggle to  find a way, using nineteenthcentury technology, to reclaim the future  that has been stolen from them.