Vintage Lot of Hardcover Hardback Books by Jean M. Auel. They are both First Edition / First Printing and are from her historical fiction / fantasy series, Earth’s Children. Included are: 1980 The Clan of the Cave Bear - Book 1 1982 The Valley of Horses - Book 2 Both have shelf wear with little nicks at the corners and tanning inside the dust jacket. No writing inside or out. Books are in pretty good condition for being 40+ years old.