River Runs Deep

In a stunning story that “makes history come alive” (Booklist), a boy is sent to Mammoth cave to fight a case of consumption—and ends up fighting for the lives of a secret community of escaped slaves, who are hidden deep underground.

Twelve-year-old Elias has consumption, so he is sent to Kentucky’s Mammoth Cave—the biggest cave in America—where the cool vapors are said to be healing. At first, liv...