Walt Whitman was a printer, journalist, editor, and schoolteacher. But today, he's recognized as one of America's founding poets, a man who changed American literature forever. Who Was Walt Whitman? follows his remarkable journey from a young New York printer to one of America's most beloved literary figures.

Cassius Marcellus Clay, Jr., won the world heavyweight championship at the age of 22, the same year he joined the Nation of Islam and changed his name to Muhammad Ali. He would go on to become the first and only three-time (in succession) world heavyweight champion. Nicknamed "The Greatest", Ali was as well known for his unique boxing style, consisting of the Ali Shuffle and the rope-a-dope, as he was for the catchphrase "float like a butterfly, sting like a bee".

You can always recognize a painting by Kahlo because she is in nearly all of them, with her black braided hair and colorful Mexican outfits. A brave woman who was an invalid most of her life, she transformed herself into a living work of art. As famous for her self-portraits and haunting imagery as she was for her marriage to another famous artist, Diego Rivera, this strong and courageous painter was inspired by the ancient culture and history of her beloved homeland, Mexico. Her paintings continue to inform and inspire popular culture around the world.

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!

On August 25, 2005, one of the deadliest and most destructive hurricanes in history hit the Gulf of Mexico. High winds and rain pummeled coastal communities, including the City of New Orleans, which was left under 15 feet of water in some areas after the levees burst. Track this powerful storm from start to finish, from rescue efforts large and small to storm survivors’ tales of triumph.

Put on your blue suede shoes and get ready for another addition to the Who Was…? series! The King could not have come from humbler origins: Born in Tupelo, Mississippi, during the Depression, he grew up with the blues music of the rural South, the gospel music of local churches, and the country-western classics. But he forged a sound all his own - and a look that was all his own, too. With curled lip, swiveling hips, and greased pompadour, Elvis changed popular music forever, ushering in the age of rock and roll.

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.)

Over a long, turbulent life, Picasso continually discovered new ways of seeing the world and translating it into art. A restless genius, he went through a blue period, a rose period, and a Cubist phase. He made collages, sculptures out of everyday objects, and beautiful ceramic plates. True Kelley's engaging biography is a wonderful introduction to modern art.

As a kid, Jackie Robinson loved sports. And why not? He was a natural at football, basketball, and, of course, baseball. But beyond athletic skill, it was his strength of character that secured his place in sports history. In 1947 Jackie joined the Brooklyn Dodgers, breaking the long-time color barrier in major league baseball. It was tough being first - not only did "fans" send hate mail but some of his own teammates refused to accept him.

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.

When Derek Jeter was eight years old, he announced that he was going to play baseball for the New York Yankees. Jeter earned the attention of major league scouts in high school and was drafted to the New York Yankees in 1992. Named Rookie of the Year, he helped the Yankees win the World Series five times and became team captain in 2003. With his good looks, easygoing personality, and sense of humor, Derek has always been a fan favorite. Retiring from baseball in 2014, Derek Jeter leaves behind a legacy.

Ted Geisel loved to doodle from the time he was a kid. He had an offbeat, fun-loving personality. He often threw dinner parties where guests wore outrageous hats! And he donned quirky hats when thinking up ideas for books-like his classic The Cat in the Hat. This biography brings an amazingly gifted author/illustrator to life.

Steve Jobs, adopted in infancy by a family in San Francisco, packed a lot of life into 56 short years. In this Who Was...? biography, children will learn how his obsession with computers and technology at an early age led him to cofound and run Apple in addition to turning Pixar into a groundbreaking animation studio. A college dropout, Jobs took unconventional steps in his path to success and inspired the best and the brightest to come with him and "change the world".

Like Michelangelo, Galileo is another Renaissance great known just by his first name - a name that is synonymous with scientific achievement. Born in Pisa, Italy, in the 16th century, Galileo contributed to the era's great rebirth of knowledge. He invented a telescope to observe the heavens. From there, not even the sky was the limit! He turned long-held notions about the universe topsy turvy with his support of a sun-centric solar system.