Dark Heritage/Dusky Cactus — Marjorie McEvoy

It stood in the sea mist, grim and forbidding, the erstwhile monastery now known as the Black Hall. Only desperation induced Miranda to accept the position of nurse companion to its mistress; and only her secret love for the enigmatic Gareth kept her there, in thrall to the house's sinister spell.

Published in Great Britain by Mayflower Books, as Dusky Cactus