“The Bomb: A Life” by Gerard DeGroot: This year marks the 60th anniversary of those two terrifying days in August 1945 when we learned to love and hate the atomic bomb. To mark the birthday of the bomb, there’s no better present than this wry biography of the weapon that made us all think about the end of the world. DeGroot, who teaches history at the University of St. Andrews in Scotland, tells you everything you ever wanted to know …