Cal Flyn, Deputy Editor

Again and again we return to the question: how should we live? To Henry David Thoreau, the 19th-century author, philosopher and naturalist, the answer was simplicity itself. Here his biographer Laura Dassow Walls selects five key texts that explore the Thoreauvian way of thinking.

When George W Bush declared that America “has never been an empire,” he elided a half century of colonial rule over its overseas dependencies. But American expansionism has manifested in other forms too, says A G Hopkins, imperial historian and author of a panoramic new work of American history.

Fiction that explores issues of climate change is growing at an unprecedented rate today, says the journalist who coined the phrase ‘cli-fi’, Dan Bloom. Here, he picks the five best books of the field, and introduces us to a globally important, underexplored literary genre

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.

Not every culture has a word for ‘fear.’ Smiling was an invention of the Middle Ages. There’s a lot that will surprise you about the way we process emotions, says the neuroscientist and psychologist Lisa Feldman Barrett. Here she picks five books that illustrate our understanding of how emotions work.

This year marks the centenary of the birth of the novelist, poet and essayist Muriel Spark, a singular voice of 20th century literature. Her 22 novels are slim and entertaining says Alan Taylor, author of Appointment in Arezzo, but beneath the jeux d’esprit lies a fearsome intellect. Here he selects five of her key works.

A good writer must always aim to write the truth – a more complex narrative than one of heroes and villains. But to find the truth, sometimes you’ve got to get up and go there yourself, says Will Storr, journalist and author of Selfie. Here he selects five books that have inspired his own immersive approach to nonfiction.

We are taught to value intelligence and academic ability, but raw mental firepower does not always translate into success at work or a life of contentment. Just as important are the skills that make up ’emotional intelligence,’ says Daniel Goleman, whose bestselling book popularised the concept. Here he chooses five emotional intelligence books that explore its practical applications.

Sales of nature books have been booming, but only the most exacting of authors get right to the heart of our own interconnectedness with the natural world, says Charles Foster, bestselling author of Being A Beast. Here, he chooses five of the best books of nature writing published in 2017.

The Millennial cohort is often characterised as a shallow, social media-obsessed generation that puts avocado toast ahead of the future. But in reality they are overeducated, underemployed and beset by anxiety, says Malcolm Harris, millennial and author of Kids These Days. Here he selects five books that paint a more accurate portrait of the first generation to come of age in the 21st century.