Chasms

In the final book of the Chasms trilogy, Vince Tripp and his friends have resumed their lives at home in Trenton. However, they are continuously haunted by the absence of their friends that were left behind on Pernith. As they struggle to cope, a familiar face appears and summons them back to the alien world. On Pernith, Vince and the others learn that Ta Nirios is barely clinging to life. They also discover that much has changed since their departure. Now, Vince and his friends must forge tense alliances and travel to dangerous new realms to search for missing comrades and fight for the fate of the universe.