The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them, and their fleets attack in endless waves. The long war has Read more
This is not your father's Cybertank! In the distant future mankind creates sentient cybertanks patterned on the human brain to help fight their alien enemies. Then, inexplicably, the humans vanished. They just went away. All that is left of the Read more

The first completely automated Bolo, designed to operate normally without a man on board, was the landmark XV Model M, which performed remarkably well.
However, the always-present possibility of capture and use of a Bolo by an enemy was a constant source of anxiety to military leaders and, in time, gave rise to the next and final major advance in Bolo technology: the self-directing and self-aware Mark XX Model B Bolo, Tremendous.
But what happens when a self-aware fighting machine decides to go rogue?
Bolos are self-aware tank created by Keith Laumer and featured in novels and short story collection by him and various other authors, rogue bolo is the third and only one available on kindle however if you want the complete collection check goodread here