Hour of the Rat (An Ellie McEnroe Novel)

Iraq War vet Ellie McEnroe has a pretty good life in Beijing, representing the work of controversial dissident Chinese artist Zhang Jianli. Even though Zhang's mysterious disappearance has attracted the attention of the Chinese authorities. Even though her Born-Again mother has come for a visit and shows no signs of leaving.
 
But things really get complicated when Ellie's agrees to help out an old Army buddy with his search for his missing brother. Ellie finds herself entangled in a conspiracy that may or may not involve a sinister biotech company, eco-terrorists, an art-obsessed Chinese billionaire, and lots of cats—a conspiracy that will take her on a wild chase through some of China's most beautiful and most surreal places.