This book is aimed at the 8-11 age groups and is written with a sense of excitement, mystery and humour with some scary bits too. The story is about Luna and Covi, 10 year old twin girls, who have been chosen to reverse a spell that has thrown a magical world into drought and decay and driven its inhabitants of mystical creatures to live a life underground. The girls have to learn about magic, find the blue dragon and retrieve the ring and spirit of Vesta. They have a long, exciting and dangerous journey ahead of them.