On the Eastern Fringe of the galaxy, a new power is rising. The Tau seek to bring enlightenment to a barbaric era, and any who refuse to join their unified cause are swiftly shown the error of their ways. Led by their mysterious Ethereal caste, the Tau are confident and ambitious. With advanced weaponry and an understanding of the art of warfare, world after world has fallen to the Tau Empire. The very stars themselves will be reforged in the cause of the Greater Good. You will need a copy of Warhammer 40,000 in order to use the contents of this book.