Based on Hans Christian Andersen's "The Wild Swans," this enchanting fantasy by Diane Zahler, author of The Thirteenth Princess and A True Princess, is a tale of family, bravery . . . and a terrible spell.

Princess Meriel's brothers have been cursed. An evil enchantment cast by their conniving new stepmother has transformed the handsome princes into swans. They now swim forlornly on a beautiful heart-shaped lake that lies just beyond the castle walls.

Meriel will do whatever it takes to rescue her beloved brothers. But she must act quickly. If Heart Lake...