While visiting his crazy Uncle Bart at Crater Lake National Park, thirteen-year-old Ethan's world collapses when all the adults at Crater Lake disappear, including his parents. Now Ethan must rally his new friends and decipher the legends of Crater Lake to find the key to rescuing his parents from their earthen prison before he s captured too and their captivity becomes permanent.

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!