The author makes the recommendation "if you meet your antiself, don't shake hands!
Chapter 10 of this work references the 100,004th Congress of Alpha Centauri and Marty McFly from the Back to the Future Series. The foreword in later editions states that one copy had been sold for every 750 people in the world. The author makes the recommendation "if you meet your antiself, don't shake hands! You would both vanish in a great flash of light" in the fifth chapter entitled "Elementary Particles and the Forces of Nature". For 10 points, name this nonfiction work about astrophysics-made-simple by Stephen Hawking.
Chapter 10 of this work references the 100,004th Congress of Alpha Centauri and Marty McFly from the Back to the Future Series.
A {Brief History} of {Time}