How to Build a Robot Army: Tips on Defending Planet Earth Against Alien Invaders, Ninjas, and ZombiesIt goes without saying that robots kill. They hunt, swarm, and fire lasers from their eyes. They even beat humans at chess. So who better to stand with us when the real villains arrive? Movies instruct us that, whether we like it or not, we will one day be under siege by pirates, ninjas, zombies, aliens, and Godzilla. Also great white sharks. And let's face it we're not prepared. But with the advice contained in this brilliantly illustrated, ingenious