A novel set 25,000 years ago is the sixth book in the author's landmark series and continues the story of Ayla and Jondalar.

Dr. Clock and his baby travel back in time to visit prehistoric animals in the Ice Age.

"The forests of home lie far behind. Nyriaana is now the captive of Khalvir, the Wove raider she mistakenly trusted with her life. Gripped by the agony of betrayal and the dire consequences her naïvety wrought, the thirst for revenge alone keeps Nyriaana breathing. Surrounded by predators, both human and animal alike, not everything is as it seems in this vast and perilous world beyond her homeland. Nyriaana must learn who to trust and learn fast...

Rebaa's adopted tribe lies slaughtered behind her. Rebaa's lover, Juran, lays down his life for hers and now she must use all of her cunning and extraordinary powers to survive the inhospitable wilderness alone, ensuring that Juran's sacrifice was not in vain. Hunted by savage predators and more terrifying still, the nightmarish Eldrax, a murderous chieftain who will stop at nothing to possess Rebaa's mysterious powers for his own, her very existence...

"Nyriaana and Juaan are no longer protected by the might of the Hunting Bear Clan. Alone and on the run, they need to choose their allies and enemies wisely if they are to evade the vengeful clutches of their former chief, Eldrax. But with nowhere to hide, can they truly run forever? Tormented by visions of the fabled Last Kamaali, Nyriaana must now decide if she is ready to sacrifice everything in order to fulfil her ultimate destiny. In doing so,...

In the brutal Ice Age caused by the ancient Jemen war, many archaic human species, including Denisovans and Homo erectus, hover on the verge of extinction. There seems no way out, until the greatest Neanderthal holy man, Trogon, has a vision. Legends say the truce that ended the old war left one hostage in the hands of the victorious rebels: the god-like Jemen leader, known as the Old Woman of the Mountain. According to Trogon's vision, only one person...

Ayla and Jondalar set out on horseback across the windswept grasslands of Ice Age Europe. To the hunter-gathers of their world Ayla and Jondalar appear enigmatic and frightening. In the course of their cross-continental odyssey, they encounter both savage enemies and brave friends. Together they learn that the vast and unknown world can be difficult and treacherous, but breathtakingly beautiful and enlightening as well. All the pain and pleasure bring...

Vividly recreating Paleolithic America, the Gears deliver the sweeping saga of a visionary boy who leads his people out of the path of one of the worst catastrophes in the history of the world, and the brave little girl who loves him enough to believe in his dream.

The Earth is in the grip of a new Ice Age, and when twelve-year-old Eleanor's scientist mother disappears in the Arctic, Eleanor sets off on a dangerous journey to find her--and uncovers a mystery, a crime, and evidence that Earth has been visited by extraterrestrials.