Crux (Transmutation Book 5) by Alice Sabo

When a ship with a Message Carrier is attacked, the Iguacans are forced to expose one more secret, resulting in a delicate dance of deception with the UCFS. Enemies are pushing their way into the 4 Rings and the embassy is on high alert. The truth behind the ancient Iguacans who fled to Soona is slowly unraveled showing them more about their troubled past. An unexpected source brings them more information about the current state of the Delta Sector, and an ominous warning. The ongoing situation with the Condrisites is angering the Mycastrians. Elaan knows that it is important for them to gain their own autonomy, but at what price for her people? With new advisors and new skills, Elaan is working hard to keep her people on the true path. But with every odd occurrence and stranger she learns that they must move with the tide of events or be pulled under.