Synopsis: “This rich volume is a national treasure.” —Kirkus Reviews (starred review)“Captivating, informative, and inspiring…Easy to follow and hard to put down.” —School Library Journal (starred review)The inspiring autobiography of NASA mathematician Katherine Johnson, who helped launch Apollo 11.As a young girl, Katherine Johnson showed an exceptional aptitude for math. In school she quickly skipped ahead several grades and was soon studying complex…

Synopsis: Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system.Our solar system consists of eight planets, as well as numerous moons, comets, asteroids, and meteoroids. For thousands of years, humans believed that Earth was at the center of the Universe, but all of that changed in the 17th century. Astronomers like Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, and Isaac Newton…