• 1 of 8 Nina Munk at Sahlan Bath Hussein's tea house in Dertu, Kenya, with Sahlan (right) and her daughter (left). All photos © N. Munk.

  • 2 of 8 A woman rolls a plastic water drum to her hut in Dertu, a remote village in Kenya's North Eastern Province. All photos © N. Munk.

  • 3 of 8 At Dertu Primary, where textbooks are scarce, wall murals serve as educational aids. All photos © N. Munk.

  • 4 of 8Children in Dertu improvise with homemade toys. All photos © N. Munk.

  • 5 of 8Nina at the Ryamiyonga Primary School in Ruhiira, Uganda. All photos © N. Munk.

  • 6 of 8 Nomadic herders and their camels at the community water pan in Bahuri,
    a settlement in Kenya's North Eastern Province. All photos © N. Munk.

  • 7 of 8In Ethiopia's northernmost Tigray region, a funeral procession heads towards a rock-hewn
    church in the Gheralta range. All photos © N. Munk.

  • 8 of 8 A child looks out from his grass-thatched classroom in Mwandama, Malawi. All photos © N. Munk.

Nina Munk, a contributing editor at Vanity Fair, is a journalist and author. Her new book, The Idealist: Jeffrey Sachs and the Quest to End Poverty, is described by critics as “brilliant,” “powerful,” “compulsively readable,” and “heart-rending.” Recipient of an Albie award from Foreign Policy, and named a Book Of The Year by The Spectator, Forbes, and Bloomberg, it was nominated for the Lionel Gelber Prize, shortlisted for the Governor General's Award, and is a finalist for the National Business Book Award. Read the reviews here.

To hear Nina speak about her book, watch the trailer for The Idealist.