Return of the Mystic Gray: (Crater Lake) (Hardcover) (ISBN-13: 9781462111879)

Ethan and his friends are back in a brand-new adventure! With inherited powers they don't understand and can't quite control, they head back to Crater Lake to rescue their friend Jacob, train for an epic battle, and join forces with a powerful ally--the Mystic Gray. Filled with action, adventure, and mystery, this book is a thrilling addition to the Crater Lake series!