Product Review: El clan del oso cavernario (Los hijos de la tierra) El clan del oso cavernario, también known as the Clan of the Cave Bear, is a series written by Jean M. Auel. The series follows the story of Ayum-Ca, a young Neanderthal girl who lives in a cave with her family and their pet mammoth, Mammuthus. As Ayum-Ca grows older, she learns about the world outside the cave and becomes fascinated by humans. The first book in the series, El clan del oso cavernario (Los hijos de la tierra) 1, is a captivating introduction to the world of Ayum-Ca and her family. The author does an excellent job of immersing the reader in the Neanderthal culture and way of life. The descriptions of the cave and its surroundings are vivid and detailed, making it easy for the reader to visualize the setting. One of the strengths of this book is the relationship between Ayum-Ca and her family. The author does an excellent job of portraying their love and bond, which makes the reader feel a sense of attachment to them. Additionally, the character development in this book is exceptional. Ayum-Ca's personality and growth are well-written and engaging, making it easy for the reader to follow her journey. Another aspect that stands out in this book is the author's attention to detail when it comes to the history and science of the Neanderthals. The author does an excellent job of incorporating accurate information about their way of life, including their hunting techniques, tools, and language. This adds depth and authenticity to the story, making it more enjoyable for readers who are interested in historical accuracy. However, one downside of this book is that it can be slow-paced at times. The author takes her time to build up the world and characters, which can make it difficult for some readers to maintain interest. Additionally, the language used in the book can be somewhat dense and difficult to understand at times. Overall, El clan del oso cavernario (Los hijos de la tierra) is a well-written and engaging introduction to the world of Ayum-Ca and her family. The author does an excellent job of immersing the reader in the Neanderthal culture and way of life, while also providing accurate historical information.