"Tuberculosis has been entwined with humanity for millennia. Once romanticized as a malady of poets, today tuberculosis is seen as a disease of poverty that walks the trails of injustice and inequity we blazed for it. In 2019, author John Green met Henry Reider, a young tuberculosis patient at Lakka Government Hospital in Sierra Leone. John became fast friends with Henry, a boy with spindly legs and a big, goofy smile. In the years since that first...