Dark Castle, White Horse
Dark Castle, White Horse is an omnibus edition of The Castle of Dark and Prince on a White Horse.
IN DARKNESS SHE WAKES –
a beautiful young woman, forever imprisoned in the Castle of Dark. Guarded and bespelled by two old hags, can she master the secret magic to summon the champion who will set her free?
INTO DARKNESS HE RIDES –
a handsome prince in an unknown realm. Who has conjured him here, and for what desperate deeds? Hailed as the Looked-for-Deliverer, with a changeling horse for companion, only he can challenge all magic's perils – from the Dragon of Brass to the Mad Witch of the kingdom-destroying horror, the evil, enigmatic Nulgrave!
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Tanith Lee
Tanith Lee (1947-2015) was a British writer of science fiction, horror and fantasy. She was the author of over 90 novels and 300 short stories, a children's picture book (Animal Castle), and many poems. She also wrote two episodes of BBC science fiction series Blake's 7. She was the first woman to win the British Fantasy Award best novel award (also known as the August Derleth Award), for her book Death's Master (1980).
She also wrote under the pseudonym Esther Garber.
Castle of Dark
Castle of Dark consists of two primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.

