Meet Scott Kelly, who lived for a year in space! Follow Kelly's story as he moves from a career as a volunteer Emergency Medical technician to his service in the United States Navy and on to NASA where, with his identical twin brother Mark, spent one year on the International Space Station and part of the Twins Study. Infographics, historic photos, and a glossary enhance readers' understanding of this topic. Additional features include a table of contents, an index, a timeline and fun facts. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.