The American boxing champ and vocal civil rights activist Muhammad Ali is the 27th hero in the New York Times best-selling picture book biography series for ages 5 to 8. Muhammad Ali was the leading heavyweight boxer of the 20th century and a charismatic, beloved public figure. His objection to the military draft during the Vietnam War made him an icon for a generation, and his impact in sports and the Civil Rights movement is still felt today.

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction audiences and that always includes the hero's childhood influences. This book features critically acclaimed talk-show host Oprah Winfrey, who used her struggles in childhood as motivation to become "Queen of All Media". 

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. This audiobook features Frida Kahlo, the renowned Mexican painter and activist. After surviving a bus crash, she made her mark in art history for her unique way of looking at the world and integrating her own image and life into her paintings. 

This friendly, fun biography series focuses on the traits that made our heroes great--the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. This book features I. M. Pei, the award-winning Chinese American architect whose projects include the John F. Kennedy Library and the pyramid at the Louvre. 

This engaging biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction listeners. This volume features Anne Frank, whose courage and hope during a time of terror are still an inspiration for people around the world today.

The first woman to win a Nobel Prize, physicist and chemist Marie Curie is the 19th hero in the New York Times best-selling book biography series about heroes. This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of one of America's icons in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. 

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. This volume features Founding Father and scientist Benjamin Franklin.

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of one of America's icons in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. This volume features Sonia Sotomayor, the first Latina Supreme Court Justice. 

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of one of America's icons in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. This volume features Walt Disney, who makes dreams come true for himself and countless kids around the world. 

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Each book tells the story of an icon in a lively, conversational way that works well for the youngest nonfiction listeners and that always includes the hero's childhood influences. This book features Leonardo da Vinci, the Renaissance artist and inventor. 

As a young man in India, Gandhi saw firsthand how people were treated unfairly. Refusing to accept injustice, he came up with a brilliant way to fight back through quiet, peaceful protest. He took his methods with him from South Africa back to India, where he led a nonviolent revolution that freed his country from British rule. Through his calm, steady heroism, Gandhi changed everything for India and inspired civil rights movements all over the world, proving that the smallest of us can be the most powerful. 

When Helen Keller was very young, she got a rare disease that made her deaf and blind. Suddenly, she couldn't see or hear at all, and it was hard for her to communicate with anyone. But when she was six years old, she met someone who changed her life forever: her teacher, Annie Sullivan. With Miss Sullivan's help, Helen learned how to speak sign language and read Braille. Armed with the ability to express herself, Helen grew up to be come a social activist, leading the fight for people with disabilities and so many other causes. 

Even when he was a kid, Albert Einstein did things his own way. He thought in pictures instead of words, and his special way of thinking helped him understand big ideas like the structure of music and why a compass always points north. Those ideas made him want to keep figuring out the secrets of the universe. Other people thought he was just a dreamer, but because of his curiosity, Einstein grew up to be one of the greatest scientists the world has ever known. 

Sacagawea was the only girl, and the only Native American, to join Lewis and Clark’s Corps of Discovery, which explored the United States from the Mississippi River all the way to the Pacific Ocean in the early 1800s. As a translator, she helped the team communicate with members of the Shoshone tribe across the continent, carrying her child on her back the whole way. By the time the expedition arrived at the west coast, Sacagawea had proved that she truly was a trailblazer. 

This friendly, fun biography series focuses on the traits that made our heroes great - the traits that kids can aspire to in order to live heroically themselves. Jim Henson, for example, was always dreaming up something new, and always expressing his belief in the goodness of people. Henson was a born performer with a terrific sense of humor, and he used those talents to help create two of the most beloved programs in television history: The Muppet Show and Sesame Street. Through his Muppets, Jim showed the world that there’s nothing more beautiful than imagination.