"Battlefield in Black" by George A. Whittington is a science fiction novel written in the mid-20th century. The story unfolds in a universe where the Solar System's planets have disarmed, leaving them vulnerable to threats. The narrative centers on Captain Jon McPartland and his battle cruiser, the "Avenger", as they encounter mysterious blackness that engulfs Terra and its surroundings, rendering communications and modern weaponry ineffective against incoming dangers. The plot follows McPartland as he grapples with personal and professional challenges amid an escalating crisis. After a blackout envelops the Solar System, he learns that a cabal of outlaws, in an unholy alliance with discontent factions among the Specialists, has immobilized Earth and launched a rebellion. As he undertakes a desperate mission to restore order and defend the planets, McPartland must confront both external threats and his feelings for Almira Denton, the daughter of Marshal Denton, Supreme Commander of the System forces. Tension mounts as the characters utilize obsolete space torpedoes to combat the rebellion, while intricate strategies are devised to unveil the treachery and reclaim hope for the universe. (This is an automatically generated summary.)