Space Battleship Scharnhorst and the Library of Doom - An Old Guy/Cybertank Adventure, #2

It is the distant future and the human race has gone. Whether extinct or moved on to a higher level of existence, nobody knows. Their civilization has been inherited by the cybertanks: massive atomic powered war machines with mentalities modeled on the human psyche. The 2nd book in the Thrilling old Guy/Cybertank Adventures!