When Neil Armstrong set foot upon the moon in 1969, it was the end result of an effort that involved several years, billions of dollars, and hundreds of thousands of people. This book examines this historic event from multiple perspectives, including those of Armstrong himself, computer programmer Margaret Hamilton, and engineer Tom Kelly. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards.