This is such a fun read that you don't notice when things start to get serious, by which time you're hooked. Dr Em is so full of human weakness that you just have to cheer when she manages to limp through each inevitable disaster. You wonder how she survives, never mind her patients. But somehow she pulls it off, leaving you laughing and crying and thinking perhaps you might just jump on a plane too. She uses lots of dialogue so you feel you're in Africa with her friends. And you care what happens to them when Sierra Leone is plunged into tragedy. The human spirit will never be crushed.