Marion Zimmer Bradley

The Books of Darkover(click on this)

The Inheritor

Lythande

Survey Ship

The Colors of Space

Web of Light

Web of Darkness

Black Trillium

The Firebrand

The Mists of Avalon

Warrior Women

The House Between the Worlds

Greyhaven

Hunters of the Red Moon

Endless Universe

Night's Daughter

Lady of the Trillium

Witchlight

Ghostlight

Black Trillium with Julian May and Andre Norton