David Weber takes over the universe created by Keith Laumer in his Bolo series. The Bolo is a heavy tank (15,000 tons, about the equivalent of 250 Abrams M1A1 tanks) that is equipped with AI (artificial intelligence) and advance weaponry.
The conflict centers around the Melconian war. The Melconians are a species that apparently resemble earth dogs. As with most Weber stories there is a high body count.
I’m about a third of the way in, but have not been disappointed so far.
Next up, I leave the realm of science fiction, and deal with historical fiction, Anthony and Cleopatra by Colleen McCullough.