The youngest American to orbit Earth, Hayley Arceneaux, is now sharing her incredible journey from child cancer patient to astronaut in a new book for young readers. WATCH the ABC News Live Stream Here: youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: bit.ly/2vZb6yP Watch More on abcnews.go.com LIKE ABC News on FACEBOOK facebook.com/abcnews FOLLOW ABC News on TWITTER: twitter.com/abc #news #hayleyArceneaux #astronaut #cancerpatient #technology #spacetravel #abcnews