Gwanas Bethan Gwanas 
Cyfres y Melanai: Diffeithwch Du, Y [EPUB ebook] 

A novel telling the story of Efa, princess of the Melanai, after she and her friends flee the Palace before she has to kill her mother, the queen, as decreed by tradition. On reaching The Dark Desolation which is full of dangers, they meet the giant Id, a number of animals and treacherous challenges. The second title in a trilogy.