Bob Berman Earth-Shattering: Violent Supernovas, Galactic Explosions, Biological Mayhem, Nuclear Meltdowns, and Other Hazards to Life in Our

Bob Berman
Earth-Shattering: Violent Supernovas, Galactic Explosions, Biological Mayhem, Nuclear Meltdowns, and Other Hazards to Life in Our Universe

Bob Berman has some super interesting thoughts & books.

So worth a read. They are super popular, thought a discounted rate would give someone a great chance to try Bob out.

Please enjoy!