The Dreamstone

Synopsis -From the shadows she would march against the clang of iron! From the twilight she would rage against the trespass of mankind! The days of magic were dying, the era of Man had dawned. Yet in one small place the Faery power prevailed, in one quiet wood its bright force shone still. For the forest of Ealdwood wove a time different from elsewhere, and amongst its glades and thickets dwelt one with more patience, more pride and more love of the earth than any other being in that troubled world. In the depths of Ealdwood dwelt Arafel, last queen of the Daoine Sidhe...

Synopsis from Open Library.