Sandra Adams was a child when she heard the legend of the Sipapu, the gateway to another world. In Four Paths to Forever, she found this gateway, and with her new husband and four friends, they stepped through into the unknown.They find themselves in a new world, human and animal life destroyed by the arrogance of their ancestors. Settling into the long dead cliff city of Tulmic, they begin their search for life. Mysticism and technology blend in this story of re-birth and treachery, where the city holds the secrets to their ultimate success or failure.