From the beet fields of North Dakota to the wilderness campgrounds of California to an Amazon warehouse in Texas, people who once might have kicked back to enjoy their sunset years are hard at work. Underwater on mortgages or finding that Social Security comes up short, they're hitting the road in astonishing numbers, forming a new community of nomads: RV and van-dwelling migrant laborers, or "workampers." Building on her groundbreaking Harper's cover...

Until a thousand years ago, no humans ventured into the Atlantic or imagined traversing its vastness. But once the first daring mariners successfully navigated to far shores, whether it was the Vikings, the Irish, the Chinese, Christopher Columbus in the north, or the Portuguese and the Spanish in the south, the Atlantic evolved in the world's growing consciousness of itself as an enclosed body of water bounded by the Americas to the West, and by...

This historical atlas concentrates on the Mediterranean world but also shows what happened across the globe between A.D. 400 and 1500--from the fall of Rome to the age of discovery. Sumptuously illustrated, it features period works of art, fascinating maps, quotes from medieval figures, close-ups of intriguing artifacts, and rich landscape photographs. For every century, a signature city is spotlighted to represent that era's developments, and time...