The full library of 28 titles in the New York Times bestselling Ordinary People Change the World series, together for the first time! What makes a hero? This engaging picture-book biography series answers the question, one great historical figure at a time. Now all 28 titles can be purchased together: activists, artists, scientists, sports figures, and others who fought to make an impact in our world. From Martin Luther King, Jr. and Rosa Parks, who stood up against racial injustice, to Neil Armstrong and Marie Curie, who made groundbreaking scientific discoveries, to the newest heroes in the series, this set includes a role model for every reader. The books included are: I am Amelia Earhart , I am Abraham Lincoln , I am Rosa Parks , I am Albert Einstein , I am Jackie Robinson , I am Lucille Ball , I am Martin Luther King, Jr. , I am Helen Keller , I am George Washington , I am Jane Goodall , I am Jim Henson , I am Sacagawea , I am Gandhi , I am Harriet Tubman , I am Neil Armstrong , I am Sonia Sotomayor , I am Billie Jean King , I am Walt Disney , I am Marie Curie , I am Leonardo da Vinci, I am Benjamin Franklin , I am Anne Frank, I am Frida Kahlo, I am Oprah Winfrey, I am I. M. Pei, I am Malala Yousafzai, I am Muhammad Ali, and I am Dolly Parton.

Thomas Jefferson was wild about numbers. He was constantly counting, measuring, and observing things that caught his interest. He loved sharing his discoveries and reading the discoveries of others. But when a famous Frenchman published a book about America, Jefferson was appalled: all the information in the book was wrong. The author insisted that America was a wretched, dismal place, where birds could not sing, dogs could not bark, and everything and everyone was puny and weak. Thomas Jefferson resolved to set the record straight - with numbers - and prove to the world that the new nation was worthy of investment.

Examines the many facets and puzzles of our Moon, including its phases and eclipses, its early discoveries and modern exploration, and its possible origins and future prospects.

Looks at the life and career of Sally Ride, who in 1983 became the first American woman to travel in space.