The Black Library The Kauyon Audiobook by Andy Smillie is a Warhammer 40,000 Tau story that transports listeners to the world of the Tau Empire. This audio book, in English, is designed for fans of the Warhammer game, catering to both younger audiences aged 12-16 years and older ages. With the renowned Black Library brand behind it, this audiobook promises an immersive and exciting listening experience for fans of the Warhammer universe.