Two hundred million zombies."

Who can even visualize that type of number, let alone combat it? At least this time around we knew what we were combating, but when you added up all the experience, all the data we'd compiled on their origin, their physiology, their strengths, their weaknesses, their motives, and their mentality, it still presented us with a gloomy prospect for victory.

The book of war, the one we've been writing since one ape slapped another, was completely useless in this situation. We had to write a new one from scratch.