The shround of ?theria

"On his sixteenth birthday, the AEtherian Rex Himmel learns that he is special--but no one will tell him why. Ordered by AEtheria's leader to join the militaristic AEtherian Cover Force, Rex soon finds himself involved in an investigation of several mysterious, frozen Cthonian bodies that have been discovered in AEtheria. Just as his team finds a reason for the bodies' appearance, AEtheria's power plant is destroyed in a violent attack from below"--Provided by publisher.