Outcast is the fourth book in the Chronicles of Ancient Darkness series. It is to be released in September 2007.
After his deadly secret is revealed, Torak is sent away from the clans, and is not allowed to see even Renn or Wolf. He heads to Lake Axehead and the reedbeds there, where he is hunted by the hidden people, along with the Soul Eaters. Michelle Paver also said to people at the Soul Eater launch, that at the time, she was writing when Torak meets the Wolf Clan and says it is not what he expected. She also said that we find out a fantastic secret about Renn..