"Ayla and Jondalar have reached home: the Ninth Cave of the Zelandonii, the old stone age settlement in the region known today as south-west France. Ayla has much to learn from the Zelandonii as well as much to teach them. Jondalar's family are initially wary of the beautiful young woman he has brought back, with her strange accent and her tame wolf and horses. She is delighted when she meets Zelandoni, the spiritual leader of her people, a fellow...

Dr. Abner Perry has invented a high-calibration digging machine affectionately called "The Iron Mole". While testing his invention with his financial backer and former student David Innes, the machine malfunctions and the pair end up burrowing deep into the earth to emerge in Pellucidar, a lush underground cavern filled with giant prehistoric creatures. While fleeing one such creature, Dr. Perry and David are captured by strange inhuman soldiers,

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40,000 years in the past, the last family of Neanderthals roams the earth. After a crushingly hard winter, their numbers are low, but Girl, the oldest daughter, is just coming of age and her family is determined to travel to the annual meeting place and find her a mate.But the unforgiving landscape takes its toll, and Girl is left alone to care for Runt, a foundling of unknown origin. As Girl and Runt face the coming winter storms, Girl realizes she...

Ayla and Jondalar journey across Ice Age Europe, impressing the primitive tribes--she with her ability to communicate with animals, and he with his mastery of the tools of war.

From the Publisher: This unforgettable odyssey into the distant past carries us back to the awesome mysteries of the exotic, primeval world of The Clan of the Cave Bear, and to Ayla, now grown into a beautiful and courageous young woman. Cruelly cast out by the new leader of the ancient Clan that adopted her as a child, Ayla leaves those she loves behind and travels alone through a stark, open land filled with dangerous animals but few people, searching...

Ayla and Jondalar meet the Mamutoi-the Mammoth Hunters--people like Ayla. Ayla finds herself torn between the wildly jealous Jondalar and the master carver Ranec.

A young woman comes of age in this epic saga. "Harrison expertly frames dramatic events with depictions of prehistoric life in the Aleutian Islands" (The New York Times Book Review).
It's 7056 BC, a time before history. On the first day that Chagak's womanhood is acknowledged within her Aleut tribe, she unexpectedly finds herself betrothed to Seal Stalker, the most promising young hunter in the village. A bright future lies ahead...

In two parallel stories, an intelligent female member of a prehistoric tribe becomes instrumental in advancing the lot of her people, and the daughter of a paleontologist is visiting him on a dig in Africa when important fossil remains are discovered.

A conclusion to the series featuring Dekanawida the Peacemaker finds the growing League of the Great Law of Peace threatened by marauding warriors from the People of the Mountain, who Dekanawida urges to join the League to save their shared world.

Young Wrass, still being held captive, along with several other children, in Gannajero's camp, organizes the children for an assault on Gannajero's warriors. Meanwhile Koracoo and Gonda are coming for the children and they have allies: a battle-weary Mohawk war chief and a Healer from the People of the Dawnland.