Juvenile Fiction. Juvenile Literature. The peace of Mistmanle 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...but his reckless decisions will put many citizens in harm''s way. But Urchin must make the ultimate sacrifice if he wants to save everyone. The conclusion of the Mistmantle Chronicles is bursting with heart and adventure.