By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been underway for two years. In order to win the war and protect its soldiers, the US Marines recruited 29 Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. In this new book within the number one New York Times best-selling series, author James Buckley Jr. explains how these brave and intelligent men developed their amazing code.

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.

The life of Queen Elizabeth I was dramatic and dangerous: cast out of her father's court at the age of three and imprisoned at 19, Elizabeth was crowned queen in 1558, when she was only 25. A tough, intelligent woman who spoke five languages, Elizabeth ruled for over 40 years and led England through one of its most prosperous periods in history.

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.

The man who saved the lives of his PT-109 crewmen during WWII and became the 35th US president fought - and won - his first battle at the age of two-and-a-half, when he was stricken with scarlet fever. Although his presidency was cut short, our nation's youngest elected leader left an indelible mark on the American consciousness and now is profiled in our Who Was...? series.

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.

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.

Amelia Earhart was a woman of many "firsts." In 1932, she became the first woman to fly solo across the Atlantic Ocean. In 1935, she also became the first woman to fly across the Pacific. From her early years to her mysterious 1937 disappearance while attempting a flight around the world, listeners will find Amelia Earhart's life a fascinating story.

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.

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.

Almost everyone can sing along with the Beatles, but how many young listeners know their whole story? Geoff Edgers, a Boston Globe reporter and hard-core Beatles fan, brings the Fab Four to life in this Who Was...? book. Listeners will learn about their childhoods in Liverpool, their first forays into rock music, what Beatlemania was like, and why they broke up. It's all here in an easy-to-listen-to narrative!

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!

Discover the man behind the chocolate bar! Milton Hershey’s life was filled with invention and innovation. As a young man, he was not afraid to dream big and work hard. Eventually, he learned the secret to mass-producing milk chocolate and the recipe that gave it a longer, more stable shelf life. He founded a school for those who didn’t have access to a good education and an entire town for his employees. Both his chocolate empire and his great personal legacy live on today.

At age two, Helen Keller became deaf and blind. She lived in a world of silence and darkness and she spent the rest of her life struggling to break through it. But with the help of teacher Annie Sullivan, Helen learned to read, write, and do many amazing things. This inspiring biography is perfect for young middle-grade listeners.