In response to your book match request for a title similar to The
Earth's Children's Series by Jean Auel, I can offer the following
Dance of the Tiger: A Novel of the Ice Age by Bjorn Kurten, set 35,000
years ago in Ice Age Europe, tells the story of Tiger, son of the
chieftain of a peaceful village of Homo Sapiens, who sets out in search
of the warrior who killed his father. Rescued by a Neanderthal clan,
Tiger falls in love with Veyde, their beautiful leader.