"This book examines the life of astronaut Sally Ride in a simple, age-appropriate way that will help children develop word recognition and reading skills. Includes a timeline, primary sources, and informative backmatter"--Provided by publisher.
A brief biography of late nineteenth and early twentieth-century German physicist, Max Planck, whose research led to the discovery of the quantum theory.
Stephen Hawking was one of the greatest minds of our time. His theories about the universe have changed the way we think about black holes and the Big Bang. Learn more in this biography about the physicist on wheels who traveled the world.
