When Jessie visits her grandmother's house, Blue Moon, she discovers an amazing secret and enters the Realm for the first time. Fairies, elves, tiny horses and all kinds of magical beings live in the Realm, and a noble Queen in a great golden palace rules them all.

But the Realm is in terrible danger, and Jessie must outwit an evil enemy to save the land before it is destroyed forever!

'Rodda tells a suspenseful, well-knit tale, enlivened by humour and heroism' -- Kirkus Reviews