NEW YORK TIMES BESTSELLERFifty years after The Andromeda Strain made Michael Crichton a household name—and spawned a new genre, the technothriller—the threat returns, in a gripping sequel that is terrifyingly realistic and resonant.The Evolution is Coming.In 1967, an extraterrestrial microbe came crashing down to Earth and nearly ended the human race. Accidental exposure to the particle—designated The Andromeda Strain—killed every resident of the town of Piedmont, Arizona, sa