Twenty First Century Books ™ imprint: 58 books

The Confederate prison known as Andersonville existed for only the last fourteen months of the Civil War―but its well-documented legacy of horror has lived on in the diaries of its prisoners and the transcripts of the trial of its commandant. The diaries describe appalling conditions in which vermin-infested...

In 2015, the world watched as soccer star Abby Wambach kissed her wife after the US women's World Cup victory. Milwaukee Brewers' minor league first baseman David Denson came out as gay. And Caitlyn (born Bruce) Jenner, an Olympic decathlete, came out as transgender. It hasn't always been this...

In December 2015, the Pentagon changed a rule to allow American women to serve for the first time ever in front-line ground combat troops. Women have fulfilled many military roles throughout history, including nursing; driving ambulances; handling administrative duties; working as mechanics; and serving...

Prom is about more than corsages and boutonnieres, promposals and after-parties. It's an event that teens are claiming as a way not only to have fun with friends but to also express their creativity and their identities. Learn about the first gay and lesbian teen couples to insist on the legal...

Are you looking for a healthy body? Quick weight loss with no dieting? Top athletic performance without breaking a sweat? Websites, infomercials, magazine ads, and celebrity tweets make an astonishing array of claims about the improvement to health and performance that will come from using dietary...

Self-driving cars mark the next great shift in mass transportation. Learn about early attempts at self-driving technology, the benefits of driverless cars, controversies surrounding the new technology, innovations that make self-driving cars possible, and the industry's major players. This emerging...

Nearly ten years after the 9/11 terrorist attacks on the United States, an elite team of U.S. special forces stunned the world with a dramatic and daring feat. Shortly after midnight on May 1, 2011, a U.S. Navy SEALs team stormed a compound in Abbottabad, Pakistan, and killed its most-wanted inhabitant—Osama...

In 2011 a computer named Watson outscored two human competitors on the TV quiz show Jeopardy! and snagged the million-dollar prize. Watson isn't the only machine keeping up with humans. The field of artificial intelligence (AI) is booming, with drones, robots, and computers handling tasks that once...

On a global scale, humans create around 2.6 trillion pounds of waste every year. None of this trash is harmless—landfills and dumps leak toxic chemicals into soil and groundwater, while incinerators release toxic gases and particles into the air. What can we do to keep garbage from swallowing up...

Millions of Americans don't earn enough money to pay for decent housing, food, health care, and education. Increasingly, families and young people aren't doing better than their parents and grandparents before them. In fact, they're doing worse. And women and minorities earn less than white men. The...

"I didn't hear the word transgender until I was eighteen, when a person I was dating came out as trans. My boyfriend came out as my girlfriend, and I thought, 'What . . . is that?' She said, 'I just don't think I'm a man.' And I said, 'Guess what? Neither do I.' And then the skies parted, and I understood...

Imagine being fifteen years old, facing the bloodiest battle ever to take place on U.S. soil: the Battle of Gettysburg. In July 1863, this is exactly what happened to Tillie Pierce, a normal teenager who became an unlikely heroine of the Civil War (1861-1865). Tillie and other women and girls like...

3D printing was once only known through science fiction, such as Star Trek, the popular 1960s TV series. But inventors and engineers on Earth began experimenting in real life with 3D printing to find faster ways to develop and build prototypes, using computers, ultraviolet lasers, and printable materials....

Sharks are in trouble. Fifty shark species are at high risk of extinction, and another sixty-three are threatened. Discover the work of scientists and conservationists as they study shark biology and morphology; research migration, feeding, and mating patterns; delve into human, climate, and other...