The animals of Mistmantle have enjoyed a long period of peace and prosperity since the violent Raven War. Their tranquility is disrupted when tidal waves threaten to destroy the island. Mossberry, a squirrel with delusions of grandeur, sees the impending disaster as an opportunity to rise to power...and his reckless decisions will put many citizens in harm's way. Urchin of the Riding Stars must stop Mossberry and usher everyone to safety before it is too late. Along the way, the ultimate sacrifice must be made for the survival of all. Deeply moving and packed with adventure, this is a fitting conclusion to the beloved Mistmantle Chronicles.