Bolo!

The author of the book ‘Bolo!’ is David Weber. ‘Bolo!’ is part of the Bolo series. The story is about gigantic robot tanks, Bolos, controlled by tireless electronic brains. As seen in the story, they are designed to selflessly serve and protect humans. It analyzes scenarios where a Bolo is driven over the edge by humans, another must decide on an order that constitutes mass killing, and a third must hunt a deranged Bolo.