Showing results by author "Kathleen Krull" in All Categories

What was Isaac Newton like? Secretive, vindictive, withdrawn, obsessive, and oh, yes, brilliant. His imagination was so large that, just “by thinking on it”, he invented calculus and figured out the scientific explanation of gravity. Yet Newton was so small-minded that he set out to destroy other scientists who dared question his findings. This compelling portrait of Newton, contradictions and all, places him against the backdrop of 17th-century England, a time of plague, the Great Fire of London, and two revolutions.

Cesar Chavez is known as one of America’s greatest civil rights leaders. When he led a 340-mile peaceful protest march through California, he ignited a cause and improved the lives of thousands of migrant farmworkers. But Cesar wasn’t always a leader. As a boy, he was shy and teased at school. His family slaved in the fields for barely enough money to survive.

Leonardo da Vinci’s notebooks are mind-boggling evidence of a 15th-century scientific genius standing at the edge of the modern world, basing his ideas on observation and experimentation. This book will change children’s ideas of who Leonardo was and what it means to be a scientist.