While living in West Africa in the 1970s, John Chernoff recorded the stories of "Hawa," a spirited and brilliant but uneducated woman whose insistence on being respected and treated fairly propelled her, ironically, into a life of marginality and luck as an "ashawo," or bar girl. Rejecting traditional marriage options and cut off from family support, she is like many women in Africa who come to depend on the help they receive from one another, from...