Witch World Series 4: Secrets of the Witch World Series by Andre Norton, Lyn McConchie, Mary H. Schaub

All of Witch World knows to fear the hated, fire-eyed Keplian horses who lure riders to their deaths. All that is, save for one young Native American girl new to Witch World, who rescues a Keplian mare and her foal and discovers an awesome truth--the Keplians were created to serve light, not darkness, and to ride with humans. This is the first in a new trilogy.

They are two strangers whose people have been at war for a millennium. Mereth, a Dales trader, crosses the sea to Estcarp and the archival citadel at Lormt, seeking clues to the fate of a missing heirloom, an ancient jewel of Power. At the same time, an Alizonder hound lord, Kasarian, finds that an ancestor's key opens a magic gate to distant Lormt... moreThey are two strangers whose people have been at war for a millennium. Mereth, a Dales trader, crosses the sea to Estcarp and the archival citadel at Lormt, seeking clues to the fate of a missing heirloom, an ancient jewel of Power. At the same time, an Alizonder hound lord, Kasarian, finds that an ancestor's key opens a magic gate to distant Lormt.Alizonders are wolfish tyrants who fight with sadistic poisons and feed fallen leaders to their dogs, but they have always abhorred the sorcery of Witch World. Now, to Kasarian's horror, a maniacal baron seeks to unleash the dark wizards of Escore — using Mereth's long-lost Magestone, stolen from Kasarian's murdered father!Two strangers, two foes suddenly share a common cause, and a legacy more dire than either could imagine.... less

It is a desperate time in Witch World. The Magestone, the key to the pandimensional gates, has been lost and now all the gates are open. In the classic series' grand finale, an infinite flood of evil is about to wash across the world as Simon Tregarth returns to lead the planet's heroes in the final war against the forces of darkness.

THE KEY OF THE KEPLIAN For time beyond memory, the fire-eyed Keplian horses have lured riders to their death, sating the blood lust of the Dark Tower. All Witch World knows that the hunted, hated beasts serve Evil--all except one young woman. Fleeing her home after her beloved grandfather dies, the orphaned Navajo-Comanche girl Eleeri follows an ancient and magical trail to Witch World... moreTHE KEY OF THE KEPLIAN For time beyond memory, the fire-eyed Keplian horses have lured riders to their death, sating the blood lust of the Dark Tower. All Witch World knows that the hunted, hated beasts serve Evil--all except one young woman. Fleeing her home after her beloved grandfather dies, the orphaned Navajo-Comanche girl Eleeri follows an ancient and magical trail to Witch World. When she discovers the Kepliana mare Tharna and her newborn colt in the hands of men eager to destroy them, Eleeri fights for their freedom. Running for their lives, psychic Eleeri and telepathic Tharna bond. And in a hidden canyon, they discover the awesome truth: The Keplians were created to serve Light, and to ride with humans. THE MAGESTONE They are two strangers whose people have been at war for a millennium. Mereth, a Dales trader, crosses the sea to Estcarp and the archival citadel at Lormt, seeking clues to the fate of a missing heirloom, an ancient jewel of Power. At the same time, an Alizonder hound lord, Kasarian, finds that an ancestor's key opens a magic gate to distant Lormt. Alizonders are wolfish tyrants who fight with sadistic poisons less