Lisa Greathouse 
Astronomers Through Time [PDF ebook] 

From Nicholas Copernicus to Isaac Newton, people have wondered about and studied astronomy for many years! Through vibrant images, easy-to-read text, and a hands-on lab activity, readers will be captivated as they learn about astronomers such as Galileo Galilei, Carl Sagan, and Henrietta Swan Leavitt and how their work made impacts on the field of astronomy. With a glossary and index readily available, readers will be sure to have the tools they need to better understand the content.