Turok and Andar find a way out of the Lost Valley but they must destroy the way to prevent cavemen from following them and over-running their people.; When a volcano erupts Turok and Andar help Galt and his people find shelter in a cave after driving out all the honkers.; Two tribes fight over access to the river and its water, with Turok and Andar caught in the middle.; Surl and his tribe capture Andar in hopes of forcing him to show them the secrets of creating a bow and of making fire.; Ulla is placed in the Cave of Fear to placate the gods of her tribe but she is rescued by Turok and Andar.; Andar becomes sick after drinking from a pool of bad water and Turok must help the cliff tribe fight a honker to get to the antidote.; Andar is captured by the Night People, a tribe that lives in darkness and comes out at night demanding tribute from local tribes.; Wot and his tribe strand Turok and Andar in the middle of a desert.; Turok and Andar are captured and made slaves by a tribe building a stone structure.; Andar is captured by a cave dwelling tribe but young Larg helps Andar escape and leads Andar and Turok to the secret honker burial grounds.; Turok and Andar help Nark and his people defeat a band of giants who come to take their land.; Turok and Andar must recover a sacred war club to prevent a war between two tribes.; Tracks of two dinosaurs are interpreted.; How the ichthyosaurus evolved to live in the water.; How plant-eating dinosaurs evolved to fight the meet eating dinosaurs.; The story of how reptiles evolved from amphibians.; How the time of the dinosaurs came to an end.; How the mammals evolved after the death of the dinosaurs.; Details about how plesiosaurus lived and hunted.; Information about the woolly mammoth; Information about the styracosaurus.