Danielle Smith-Llera

Millions of tons of plastic slip into oceans every year. Some floats and travels slowly with the currents, endangering the health of marine animals. The rest is hardly visible but is far more dangerous. Tiny bits of plastic sprinkle the ocean's surface or mix into the sandy seafloor and beaches. It ends up inside birds, fish, and other animals, harming them-and ultimately humans. Experts struggle with fear and hope as they work to stop the flood of...

The Trail of Tears marked the low point in Cherokee history. The survivors of that deadly event set a new course, rebuilding their lives in an unfamiliar land. Their descendants have prospered in modern America but always remember their culture and past.

"Explains Powhatan history and highlights Powhatan life in modern society"--

"Explains Chumash history and highlights Chumash life in modern society"--

A look at DNA and the history of research into it, covering significant scientists and findings.

"Some of the most important American products and ideas have been developed by people born outside the United States. They have influenced every part of U.S. culture, from what people wear and drive to how they stay healthy, how they communicate with each other, and what they do for fun. Meet 25 immigrants who have led the way with life-saving inventions, by opening up sports to women and people of color, and so much more"--

"Many know Paul Revere by the infamous words, "The British are coming!" But did he really say that? Primary sources and infographics help readers learn the facts and the fiction behind Paul Revere's midnight ride"--