This was fantastic. At first I wasn't sure I'd be able to get through all the science and math...and yeah there is that but somehow its interesting. JThis was fantastic. At first I wasn't sure I'd be able to get through all the science and math...and yeah there is that but somehow its interesting. Just an excellent story. Funny, thrilling, thought provoking, sad, heroic, all the emotions. The best parts were Grace's evolving relationship with Rocky. Amaze! This would make a great movie. Oh and Ray Porters narration via Audible added so much emotion to the story, perfect.