Once described by The Washington Post as "the most interesting mayor you've never heard of", Pete Buttigieg, the 36-year-old Democratic mayor of South Bend, Indiana, has improbably emerged as one of the nation's most visionary politicians. First elected in 2011, Buttigieg left a successful business career to move back to his hometown, previously tagged by Newsweek as a "dying city", and transformed it into a shining model of urban reinvention.

The Blue Sweater is the inspiring story of a woman who left a career in international banking to spend her life on a quest to understand global poverty. It all started back home in Virginia, with the blue sweater, a gift that quickly became her prized possession - until the day she outgrew it and gave it away to Goodwill. Eleven years later in Africa, she spotted a young boy wearing that very sweater, with her name still on the tag inside.

In Strangers in Their Own Land, the renowned sociologist Arlie Hochschild embarks on a thought-provoking journey from her liberal hometown of Berkeley, California, deep into Louisiana bayou country - a stronghold of the conservative right. As she gets to know people who strongly oppose many of the ideas she famously champions, Hochschild nevertheless finds common ground and quickly warms to the people she meets.

In the middle of the Iraq War, Jeremy and Jessica Courtney found themselves with their two children caught up in the turmoil, just hoping to make a difference. After an encounter with a father whose little girl was dying from a heart defect, they began to investigate options for helping and learned that untold thousands of children across Iraq were in similar need, waiting in line for heart surgery in a country without a qualified heart surgeon.

As the Beijing correspondent for The New Yorker, Evan Osnos was on the ground in China for years, witness to profound political, economic, and cultural upheaval. In Age of Ambition, he describes the greatest collision taking place in that country: the clash between the rise of the individual and the Communist Party’s struggle to retain control.

On any given morning, you might wake up and shower with water, make your coffee with water, flush your toilet with water—and think nothing of it.But around the world, more than three-quarters of a billion people can’t do any of that—because they have no clean water source near their homes. And 1.7 billion don’t have access to a toilet. This crisis affects a third of the people on the planet. It keeps kids out of school and women out of work. It traps people in extreme poverty. It spreads disease. It’s also solvable.

The co-creator of the Chicken Soup series, Mark Victor Hansen, and the personal finance author, Robert Allen, have come together in a collaboration that combines inspiration with know-how.

In The Unwinding, George Packer, author of The Assassins’ Gate: America in Iraq, tells the story of the United States over the past three decades in an utterly original way, with his characteristically sharp eye for detail and gift for weaving together complex narratives. The Unwinding portrays a superpower in danger of coming apart at the seams, its elites no longer elite, its institutions no longer working, its ordinary people left to improvise their own schemes for success and salvation.

Part foreign affairs discourse, part humor, and part twisted self-help guide, The Geography of Bliss takes the listener from America to Iceland to India in search of happiness, or, in the crabby author's case, moments of "un-unhappiness". This uses a beguiling mixture of travel, psychology, science and humor to investigate not what happiness is, but where it is.

One couple's inspiring memoir of healing a Rwandan village, raising a family near the old killing fields, and building a restaurant named Heaven. Newlyweds Josh and Alissa were at a party and received a challenge that shook them to the core: Do you think you can really make a difference? Especially in a place like Rwanda, where the scars of genocide linger and poverty is rampant? While Josh worked hard bringing food and health care to the country's rural villages, Alissa was determined to put their foodie expertise to work. The couple opened Heaven, a gourmet restaurant overlooking Kigali, which became an instant success.

An exciting, hugely revealing account of China’s burgeoning presence in Africa - a developing empire already shaping, and reshaping, the future of millions of people. A prizewinning foreign correspondent and former New York Times bureau chief in Shanghai and in West and Central Africa, Howard French is uniquely positioned to tell the story of China in Africa. Through meticulous on-the-ground reporting, French crafts a layered investigation of astonishing depth and breadth.

Full of unforgettable figures and an unrelenting spirit of adventure, Strange Stones is a far-ranging, thought-provoking collection of Peter Hessler’s best reportage - a dazzling display of the powerful storytelling, shrewd cultural insight, and warm sense of humor that are the trademarks of his work. Over the last decade, as a staff writer for The New Yorker and the author of three books, Peter Hessler has lived in Asia and the United States, writing as both native and knowledgeable outsider in these two very different regions.

Modern Shanghai: a global city in the midst of a renaissance, where dreamers arrive each day to partake in a mad torrent of capital, ideas, and opportunity. Marketplace's Rob Schmitz is one of them. He immerses himself in his neighborhood, forging deep relationships with ordinary people who see in the city's sleek skyline a brighter future, and a chance to rewrite their destinies.

It's the ultimate road trip. Legendary investor Jim Rogers and his fiancee travel to 116 countries in a custom-built, four-wheel-drive, bright yellow Mercedes. Over three years, they make their way through war zones, are guarded by military convoys, observe a 50-million-person pilgrimage, eat disgusting food, put the car on barges for transport between countries, and have their lives threatened at every turn.

In the first book to identify demographically proven happiness hotspots worldwide, researcher and explorer Dan Buettner documents the happiest people on earth and reveals how we can create our own happy zones. Detailing extraordinary new discoveries and meticulous research on four continents, Buettner observes happiness in unlikely places and gleans surprising insight into what generates contentment and what it means to thrive.