Why do apparently 'good' people sometimes behave deplorably? Christian B Miller, professor of philosophy at Wake Forest University, selects five books that explore the subject of moral character and warns us to be cautious of making inferences about the underlying motives of others – and ourselves.

Think of Darwinian natural selection and you may think of selfish or competitive behaviour, but this is far from the whole story, says economist Paul Seabright.

The acting director of the Writing Program at Boston University argues that cowardice can still be part of our ethical vocabulary, but that we must learn from history's mistaken identification of the traumatised as cowards.