Author-activist Naomi Klein won the inaugural Women’s Prize for Nonfiction on Thursday with “Doppelganger”, a personal account of her plunge into the world of online misinformation.

Its sister award, the Women’s Prize for Fiction, went to US writer V V Ganeshananthan for her novel “Brotherless Night”, about a family torn apart by Sri Lanka’s long civil war. Both come with 30,000 pounds (R32 lakh) in prize money.