Comprises: The Clan of the Cave Bear. Inscribed & signed on title by author. [1980]. * The Valley of Horses. Signed on the half-title. [1982]. * The Mammoth Hunters. [1985]. * The Shelters of Stone. [2002]. Together, 4 volumes. Cloth-backed boards, jackets. First Editions. Two books are signed by Jean M. Auel. Author’s famous Earth’s Children series, the first of which was the basis for the 1986 film starring Daryl Hannah. Only the fourth book, The Plains of Passage, not present.