This fascinating book details the achievements of Canadian astronaut Chris Hadfield who in December 2012 embarked on perhaps his greatest assignmenta five-month mission aboard the International Space Station (ISS). By the time he returned to Earth, Chris had become the first Canadian to serve as an ISS Commander. High atop his list of achievements is the new excitement for space that he has brought to Earth through his mastery of social media. From fun educational sessions aboard the ISS with grade-school kids on Earth to providing his millions of fans a constant flow of stunning photographs and inspiring messages on Twitter. The astronaut dubbed Commander Cool has tapped into the Information Age to bring wit, wisdom, and enthusiasm to a new generation of space fanatics.