Clash of the Titans — Alan Dean Foster

Plaything of the Gods

He was Perseus, son of Zeus and Danae, born in disgrace, exiled to perish at sea, fated to survive at heavenly caprice--until he met his love, defied the Gods and dared to fight them or die.

She was Andromeda, enslaved by her own beauty which beggared the heavens and brought a curse upon her city, her home, her heart.... until Perseus accepted the Devil's own challenge, answered the deadly riddle and rode forth on his winged horse
Pegasus to claim his love and to face the last of the Titans, armed only with a bloody hand, a witches' curse and a severed head....