Codex: T'au Empire

More about the book

"The T'au are a young and dynamic race of technologically advacned aliens whose empire is spreading like wildfire across the stars. Ruled and guided by the enigmatic Ethereals, the T'au seek to unite every sentient being udner the light of the T'au'va, or Greater Good. They prefer that others join this growing alliance willingly, but do not hesitate to use force to fulfil their destiny whereever they must" -- from publisher.