Helen has absolutely no interest in becoming a vet like her mother. So she isn't best pleased when asked to help an injured horse. Only this horse isn't entirely normal . . . and nor are his friends. Without warning, Helen is thrust into an extraordinary world full of magical rituals, fantastical creatures and a dangerous, powerful beast known as the Master, who would destroy it all. Everything hinges on finding the lost Book of Wisdom before the Winter Solstice. Can Helen work out the riddles and help her new friends to make amends for a foolish prank? This is a wonderful mixture of fable and fiction, woven together into an exciting race through Scotland's diverse landscapes, accompanied by an array of creatures from mythology and folklore.