Christina Hill 
Real Science of Superspeed and Superstrength [EPUB ebook] 

Saving the day is easy for fictional heroes with superspeed and superstrength. They can dash in front of moving vehicles and bring them to a stop. They can beat the bad guys to the scene of the crime and then overpower them. But are their powers possible? More important, how can humans use these powers themselves one day? Learn the real-life science behind the superpowers and what scientists are doing to make those powers a reality.