Having spent over 150 days on his first tour of the International Space Station, it's safe to say that Clayton C. Anderson knows a thing or two about space travel. Now retired and affectionately known as "Astro Clay" by his many admirers on social media and the Internet, Anderson has fielded thousands of questions over the years about spaceflight, living in space, and what it's like to be an astronaut. Written with honesty and razor-sharp wit, It's a Question of Space gathers Anderson's often humorous answers to these questions and more in a book that will beguile young adults and space buffs alike. Covering topics as intriguing as walking in space, what astronauts are supposed to do when they see UFOs, and what role astronauts play in espionage, Anderson's book is written in an accessible question-and-answer format that covers nearly all aspects of life in space imaginable. From living in zero gravity to going to the bathroom up there, It's a Question of Space leaves no stone unturned in this witty firsthand account of life as an astronaut.