It might seem lonely at the top of the world, but the North Pole is teeming with life! Polar bears, walruses, and arctic seals make their home on sea ice that can be nine feet thick while the Inuit and other indigenous peoples continue their traditions and means for survival in this harsh climate.

What Do We Know About Crop Circles? lets curious young listeners learn about the phenomenon of crop circles and how they came to be one of the most studied mysteries of the natural world. Learn about all of the rational and fanciful explanations for these flattened patterns in crops all over the world, from the United Kingdom to Australia. Artists and hoaxers alike have claimed credit for these massive projects, but some people think that the source could be paranormal. Are these circles an elaborate prank, or could they be something more?

Even before it was named, the Bermuda Triangle - roughly bounded by Miami, Bermuda, and Puerto Rico - had gained a mythic reputation. The Bermuda Triangle became famous for making boats and ships vanish and for snatching planes right out of the sky. But are these stories true? And if they are true, is there a more sensible reason that refutes the bad karma of the region? With so many mystifying events to learn about, readers will love disappearing into this story.

From his childhood in rural Illinois to movie-making days in Hollywood and on to a career in politics that took him all the way to the Oval Office, Ronald Reagan kept an abiding faith in America and in what our country stood for. The oldest president ever, he survived a near-fatal assassination attempt and lived to be 93. Who Was Ronald Reagan? covers his life and times in a balanced, entertaining way for children.

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.

Sam Gribley is terribly unhappy living in New York City with his family, so he runs away to the Catskill Mountains to live in the woods - all by himself. With only a penknife, a ball of cord, 40 dollars, and some flint and steel, he intends to survive on his own. Sam learns about courage, danger, and independence during his year in the wilderness, a year that changes his life forever.

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!

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.

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.

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.

President Bill Clinton's My Life is the strikingly candid portrait of a global leader who decided early in life to devote his intellectual and political gifts, and his extraordinary capacity for hard work, to serving the public. It is the fullest, most concretely detailed, most nuanced account of a presidency ever written, and a testament to the positive impact on America and on the world of his work and his ideals.

Much like her hit TV show, I Love Lucy, Americans in the 1950s fell in love with Lucy. Born in New York in 1911, Lucille Ball was always a natural performer. She danced in the chorus of Broadway shows and acted in small parts in Hollywood movies. But Ball's true gift was comedy. She found a way to showcase her gifts in 1951 when CBS gave her the chance to star in a sitcom.

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.

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.

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.