Leonardo da Vinci was a gifted painter, talented musician, and dedicated scientist and inventor, designing flying machines, submarines, and even helicopters. Yet he had a hard time finishing things, a problem anyone can relate to. Only 13 paintings are known to be his; as for the illustrated encyclopedia he intended to create, all that he left were thousands of disorganized notebook pages. Here is an accessible portrait of a fascinating man who lived at a fascinating time - Italy during the Renaissance.

How did a teenage actress become a Grammy-winning pop star? Find out in this Who HQ Now biography about Ariana Grande and her exciting career that spans the Broadway stage, television, and music to blockbuster movies!

Billie Jean King grew up in a family of athletes. It was no surprise when she quickly began to excel at tennis. She became the top female singles player in the world and won 129 career singles titles, including Wimbledon and the US Open. Beyond being an excellent athlete, Billie Jean King used her voice to stand up for other women playing tennis who were not paid nearly as much as male players. In 1973, Billie Jean captured the world's attention when she beat Bobby Riggs in the "Battle of the Sexes," proving women were just as good at tennis as men.

Marco Polo was 17 when he set out for China...and 41 when he came back! More than 700 years ago, Marco Polo traveled from the medieval city of Venice to the fabled kingdom of the great Kublai Khan, seeing new sights and riches that no Westerner had ever before witnessed. But did Marco Polo experience the things he wrote about...or was it all made up? Young listeners are presented with the facts in this entertaining Who Was...? biography.

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together, they discovered two elements and won a Nobel Prize in 1903. (Later, Marie won another Nobel award for chemistry in 1911.)

For a long time, the main role of First Ladies was to act as hostesses of the White House...until Eleanor Roosevelt. Born in 1884, Eleanor was not satisfied to just be a glorified hostess for her husband, President Franklin Delano Roosevelt. Eleanor had a voice, and she used it to speak up against poverty and racism. She had experience and knowledge of many issues, and fought for laws to help the less fortunate. She had passion, energy, and a way of speaking that made people listen, and she used these gifts to campaign for her husband and get him elected president - four times!

Ever since Howard Carter uncovered King Tutankhamun’s tomb in 1922, the young pharaoh has become a symbol of the wealth and mystery of ancient Egypt. This Who Was...? explains the life and times of this ancient Egyptian ruler, covering the story of the tomb’s discovery, as well as myths and so-called mummy curses.

Born to a family of farmers, Lincoln stood out from an early age - literally! (He was six feet four inches tall.) As 16th president of the United States, he guided the nation through the Civil War and saw the abolition of slavery. But Lincoln was tragically shot one night at Ford’s Theater - the first president to be assassinated.

In her amazing diary, Anne Frank revealed the challenges and dreams common for any young girl. But Hitler brought her childhood to an end and forced her and her family into hiding. Who Was Anne Frank? looks closely at Anne’s life before the secret annex, what life was like in hiding, and the legacy of her diary.

Being a kid can really stink. And no one knows this better than Greg Heffley, who finds himself thrust into middle school, where undersized weaklings share the hallways with kids who are taller, meaner, and already shaving. In Diary of a Wimpy Kid, author and illustrator Jeff Kinney introduces us to an unlikely hero. As Greg says in his diary: Just don't expect me to be all "Dear Diary" this and "Dear Diary" that. Luckily for us, what Greg Heffley says he won’t do and what he actually does are two very different things.

The beloved plays of Shakespeare are still produced everywhere, yet the life of the world's most famous playwright remains largely a mystery. Young Will left the town of Stratford to pursue theater in London, where his work eventually thrived and made him a famous and wealthy man. Celeste Davidson Mannis here puts together the pieces of Shakespeare's life and work for young listeners.

Born in Austria in 1756, Wolfgang Amadeus Mozart composed his first piece of music, a minuet, when he was just five years old! Soon after, he was performing for kings and emperors. Although he died at the young age of 35 Mozart left a legacy of more than 600 works. This fascinating biography charts the musician's extraordinary career and personal life while painting a vivid cultural history of 18th-century Europe.

The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Is the Loch Ness Monster really lurking beneath Scottish waters, or is it just a myth? Find out all that there is to know about the most famous aquatic cryptid! Also known as Nessie, this creature of the lake's history dates all the way back to the year 565. Since then, there have been photographs and films that allegedly show proof of the monster's existence. But are they fact or fiction?

One day in 1882, Thomas Edison flipped a switch that lit up lower Manhattan with incandescent light and changed the way people live ever after. The electric light bulb was only one of thousands of Edison’s inventions, which include the phonograph and the kinetoscope, an early precursor to the movie camera. As a boy, observing a robin catch a worm and then take flight, he fed a playmate a mixture of worms and water to see if she could fly! An accessible, appealing biography of the inventor.

Born in the British West Indies and orphaned as a child, Alexander Hamilton made his way to the American colonies and studied to become a lawyer. He joined a local militia during the American Revolution, rose to the rank of major general, and became the chief aide to General George Washington. After the war he became the first US secretary of the Treasury. He founded the Bank of New York and the New York Post newspaper.

Just 150 years ago, most of our world was an unexplored wilderness. Our sense of its age was vastly off the mark. And what we believed to be the history of our own species consisted of fantastic myths and fairy tales; fossils, known for millennia, were seen as the bones of dragons and other imagined creatures. How did we learn so much so quickly? Remarkable Creatures celebrates the pioneers who replaced our fancies with the even more remarkable real story of how our world evolved.

Nine remarkable men produced inventions that changed the world. The printing press, the telephone, powered flight, recording and others have made the modern world what it is. But who were the men who had these ideas and made reality of them? As David Angus shows, they were very different - quiet, boisterous, confident, withdrawn - but all had a moment of vision allied to single-minded determination to battle through numerous prototypes and produced something that really worked. This is a fascinating account for younger listeners.

In December 1929, in a cave near Peking, a group of anthropologists and archaeologists that included a young French Jesuit priest named Pierre Teilhard de Chardin uncovered a prehuman skull. The find quickly became known around the world as Peking Man and was acclaimed as the missing link between erect hunting apes and our Cro-Magnon ancestors. It also became a provocative piece of evidence in the roiling debate over creationism versus evolution.

From well-known nature and adventure writer Dan Koeppel, whose work has appeared in Audubon and National Geographic Adventure, comes this true story of one bird watcher's incredible achievements.

Rosemary and Peter Grant and those assisting them have spend 20 years on Daphne Major, an island in the Galapagos, studying natural selection. They recognize each individual bird on the island, when there are 400 at the time of the author's visit or when there are over a thousand. They have observed about 20 generations of finches - continuously.Jonathan Weiner follows these scientists as they watch Darwin's finches and come up with a new understanding of life itself.

In 1856 Paul Du Chaillu marched into the equatorial wilderness of West Africa determined to bag an animal that, according to legend, was nothing short of a monster. When he emerged three years later, the summation of his efforts only hinted at what he'd experienced in one of the most dangerous regions on earth. Armed with an astonishing collection of zoological specimens, Du Chaillu leapt from the physical challenges of the jungle straight into the center of the biggest issues of the time.

This dynamic chronicle of the race to find the "missing links" between humans and apes transports readers into the highly competitive world of fossil hunting and into the lives of the ambitious scientists intent on pinpointing the dawn of humankind. The quest to find where and when the earliest human ancestors first appeared is one of the most exciting and challenging of all scientific pursuits.

Half of all species could disappear by the end of the century, and scientists now concede that most of America’s endangered animals will survive only if conservationists keep rigging the world around them in their favor. So Jon Mooallem ventures into the field, often taking his daughter with him, to move beyond childlike fascination and make those creatures feel more real. Wild Ones is a tour through our environmental moment and the eccentric cultural history of people and wild animals in America that inflects it.

Tom Wolfe, whose legend began in journalism, takes us on an eye-opening journey that is sure to arouse widespread debate. The Kingdom of Speech is a captivating, paradigm-shifting argument that speech - not evolution - is responsible for humanity's complex societies and achievements.

Jonathan Weiner, winner of the Pulitzer Prize for The Beak of the Finch, brings his brilliant reporting skills to the story of Seymour Benzer, the Brooklyn-born maverick scientist whose study of genetics and experiments with fruit fly genes has helped revolutionize or knowledge of the connections between DNA and behavior both animal and human.

A young man is murdered for his prized pet fish. An Asian tycoon buys a single specimen for $150,000. Meanwhile, a pet detective chases smugglers through the streets of New York. Delving into an outlandish realm of obsession, paranoia, and criminality, The Dragon Behind the Glass tells the story of a fish like none other: a powerful predator dating to the age of the dinosaurs.

In this stunning narrative spanning more than 200 million years, Steve Brusatte, a young American paleontologist who has emerged as one of the foremost stars of the field - discovering 10 new species and leading groundbreaking scientific studies and fieldwork - masterfully tells the complete, surprising, and new history of the dinosaurs, drawing on cutting-edge science to dramatically bring to life their lost world and illuminate their enigmatic origins, spectacular flourishing, astonishing diversity, cataclysmic extinction, and startling living legacy.

Edward O. Wilson has distilled sixty years of teaching into a book for students, young and old. Reflecting on his coming-of-age in the South as a Boy Scout and a lover of ants and butterflies, Wilson threads these twenty-one letters, each richly illustrated, with autobiographical anecdotes that illuminate his career - both his successes and his failures - and his motivations for becoming a biologist.

No cloistered don, this tall, married Englishman was a freethinking intellectual, who practiced nudism and was devoted to a quirky brand of folk dancing. In 1937, while working as a biochemist at Cambridge University, he instantly fell in love with a visiting Chinese student, with whom he began a lifelong affair. He soon became fascinated with China, and his mistress swiftly persuaded the ever-enthusiastic Needham to travel to her home country, where he embarked on a series of extraordinary expeditions to the farthest frontiers of this ancient empire.

When Dr. David Hosack tilled the country's first botanical garden in the Manhattan soil more than 200 years ago, he didn't just dramatically alter the New York landscape; he left a monumental legacy of advocacy for public health and wide-ranging support for the sciences. In melodic prose, historian Victoria Johnson eloquently chronicles Hosack's tireless career to reveal the breadth of his impact. The result is a lush portrait of the man who gave voice to a new, deeply American understanding of the powers and perils of nature.

Leonardo da Vinci was a gifted painter, talented musician, and dedicated scientist and inventor, designing flying machines, submarines, and even helicopters. Yet he had a hard time finishing things, a problem anyone can relate to. Only 13 paintings are known to be his; as for the illustrated encyclopedia he intended to create, all that he left were thousands of disorganized notebook pages. Here is an accessible portrait of a fascinating man who lived at a fascinating time - Italy during the Renaissance.

One day in 1882, Thomas Edison flipped a switch that lit up lower Manhattan with incandescent light and changed the way people live ever after. The electric light bulb was only one of thousands of Edison’s inventions, which include the phonograph and the kinetoscope, an early precursor to the movie camera. As a boy, observing a robin catch a worm and then take flight, he fed a playmate a mixture of worms and water to see if she could fly! An accessible, appealing biography of the inventor.

On July 20, 1969, Neil Armstrong stepped on the moon and, to an audience of over 450 million people, proclaimed his step a giant leap for mankind. This Eagle Scout built his own model planes as a little boy and then grew up to be a test pilot for experimental aircraft before becoming an astronaut.

Every kid has heard of Harry Houdini, the famous magician who could escape from handcuffs, jail cells, and locked trunks. But do they know that the ever-ambitious and adventurous Houdini was also a famous movie star and the first pilot to fly a plane in Australia? This well-told biography is full of the details of Houdini's life that kids will really want to know about!

How did a teenage actress become a Grammy-winning pop star? Find out in this Who HQ Now biography about Ariana Grande and her exciting career that spans the Broadway stage, television, and music to blockbuster movies!