Hoodoo Medicine is a unique record of nearly lost African-American folk culture. It documents herbal medicines used for centuries, from the 1600s until recent decades, by the slaves and later their freed descendants, in the South Carolina Sea Islands. The Sea Island people, also called the Gullah, were unusually isolated from other slave groups by the creeks and marshes of the Low Country. They maintained strong African influences on their speech, social customs, and beliefs, long after other American blacks had lost this connection. Likewise, their folk medicine mixed medicines that...