Richard Barnett thrilled us with his beautifully gruesome books about the history of surgery and illness, but his new book about the the fine and foul of dentistry will make you thankful for the dentist's drill.
A chance meeting on a minibus in Costa Rica inspired a young American to start crowdfunding healthcare for people all over the world. So what happens when Silicon Valley meets some of the world’s poorest countries? Andrew Hankinson went to Haiti to find out.
Read the next in our extracts from books on the Wellcome Book Prize 2017 shortlist from Maylis de Kerangal's Mend the Living, about 24 hours in the the life and death story of organ donation.