In a drowned world, can refuge be found?

Less than a hundred years from now, the world as we know it has disappeared beneath the sea. Only fifteen-year-old Mara has the vision and the will to lead her people in search of a new beginning in this harsh, unfamiliar world.

Booklist Science Fiction/Fantasy Top 10 for Youth

"This sweeping, futuristic fantasy envisions a ravaged Earth, submerged almost entirely in water after a century of global warming . . . wholly imagined, extraordinarily vivid worlds." --Booklist, starred review

"Ecologically conscious teens will embrace this girl who is destined to save humanity." --School Library Journal

"Intellectually rigorous and bursting with humanity, this is a book to be read again and again." --Sunday Herald (UK)