I came across Michael M Jones review of Bitter Angel at The SF Site by author C. L. Anderson (Sarah Zettel) and it sounds like an interesting military science fiction. I will order it in the next batch.
(Amazon.com product description)
An Imploding Star System.
A Murdered Galactic Spy.
A Woman Seeking the Truth—and Finding the Unbelievable…
The Erasmus System is a sprawling realm of slavery, smugglers, spies—and constant, creeping decrepitude. Here everyone who is not part of the ruling Four Families is a slave of one kind or another. But the Guardians, a special-forces branch inside the United World Government for Earth, have deemed Erasmus a “hot spot.” Somehow, it is believed, this failing colony intends to launch a war upon the solar system.
Ex-Field Commander Terese Drajeske, now a mother of three, has been called back to active duty and sent to Erasmus, ostensibly to investigate the murder of her colleague—and friend—Bianca Fayette. At first blush, the death defies explanation: Bianca was immortal. But beneath that single murder lies a twisted foundation of deceptions. Suddenly Terese is plunged into a vortex of shattered lives, endemic deceit, and one dreadful secret. In this society without hope, someone has put into motion a plan that will cast humanity into chaos. And Terese, who has given up her family and her sanity to prevent war, may be asked to make the ultimate sacrifice….