"Earth's Children" is a series of historical fiction novels written by {Jean M. Auel}. The series follows the life of a young girl named {Ayla}, who is a member of the {Cro-Magnon} people during the prehistoric era. The story explores her struggles for survival, her interactions with other tribes, and her journey of self-discovery. The first book, titled {The Clan of the Cave Bear}, introduces Ayla as she is orphaned and adopted by a group of {Neanderthals} known as the {Clan}. The series delves into themes of culture, evolution, and the relationship between humans and nature, spanning several books that depict Ayla's adventures and growth.