Roan Black Boeken

The four Guardians continue their mission to find the yearling with a new kind of magic, but find an obstacle in the Naysayers, who are prepared to fight the Guardians to keep them from success.

The Guardians, unaware of Horsa's hidden world, are thrust into a strange land with Ice Horses, Gem Horses, and moving mountains, challenging them to confront the undiscovered realm right beneath their hooves.