Buffy Silverman 
Mars Missions [PDF ebook] 
A Space Discovery Guide

Have you ever dreamed of walking on Mars? Or maybe even living there? Ever since Mars was discovered, people have wondered if there could be life on this mysterious red planet. For years, astronomers at NASA and other space agencies have been exploring Mars. They’ve sent rovers to study the planet and search for water and signs of life. One day, NASA plans to send astronauts there, too. But first, they need to learn many things about Mars and how people might travel that deep into space. Read this book to learn all about the exploration of Mars. You could be the first person to go there!