Disney Frozen: The Hero Within (Disney Frozen: The Hero Within #3)

The quest to find Hedda leads the group to the "Forbidden Land," a formidable mountain range where danger waits at every step-and where Hedda always dreamed of exploring. Facing the harsh conditions, Anna, Kristoff, Sara, and Arn have to find Hedda before it is too late, and Sara and Arn must reflect on what has brought them here...