The Last Cannon of Constantinople is a powerful historical novel about the fall of Constantinople in 1453, told through the story of the giant cannon that changed the fate of empires. At the center of the novel is Orban, a brilliant Hungarian cannon maker, whose creation—Basilica, the largest cannon of its age—becomes the weapon that breaks the legendary walls of the city. Between Sultan Mehmed II, determined to conquer the last remnant of the Roman Empire, and Emperor Constantine XI Palaiologos, resolved to defend his city until death, stands a world on the edge of transformation.