Slavers! Even though the civilized world has renounced the barbarities of slavery, wretched pirates still roam the world, snatching unfortunate innocents for their heinous human trade. Word has reached Frank Reade Junior of just such an outrage occurring in Central Africa, and no man is robbed of freedom while the world's greatest inventor draws breath!

Can Frank Reade Junior's armored wonder, the Vendetta, defeat the slaver chieftain, or will the warlord's brutal army be too much even for our young hero?

In this classic 1894 science fiction tale, Cuban-American author Luis Senarens brings us another thrilling adventure of the 19th Century's most daring kid inventor, boy genius Frank Reade Junior!